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CIDR
/23 · 512 IPs
ASN
Limestone Networks, Inc.
Reverse DNS
mx3.limc.ufrj.br
Last scanned 1 days ago
Blocklisted
Checking…
Scanning blocklists

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

81/100
Trusted
How this score is built

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

DNS records

Reverse DNS (PTR)
mx3.limc.ufrj.br
Forward-confirmed (FCrDNS)
✗ Mismatch
PTR TTL
3600 s
Reverse DNS last checked
2026-07-17 21:12 UTC
Forward DNS last checked
2026-07-17 21:12 UTC

Forward DNS records for mx3.limc.ufrj.br

TypeValuePriorityTTL
A 102.216.79.108 172800s
A 103.227.253.76 1800s
A 103.28.90.43 172479s
A 103.29.182.52 172800s
A 103.64.12.58 172795s
A 104.168.76.68 171532s
A 104.206.127.38 172800s
A 104.255.152.52 1800s
A 104.255.153.56 172800s
A 104.255.153.61 171767s
A 107.150.19.104 172800s
A 107.172.22.34 1800s
A 107.173.254.234 172800s
A 107.174.236.14 1800s
A 108.178.2.238 172800s
A 109.122.221.43 1800s
A 132.243.225.156 1800s
A 147.255.63.113 172800s
A 148.72.170.187 172800s
A 149.210.174.162 1800s
A 149.210.203.16 1800s
A 149.210.235.68 1800s
A 160.25.75.246 1800s
A 169.255.58.248 1800s
A 170.130.217.18 172800s
A 170.130.217.21 171767s
A 172.245.211.67 1800s
A 172.245.32.12 1800s
A 173.208.214.139 171695s
A 178.162.227.210 1800s
A 185.174.28.99 172210s
A 185.174.29.136 1800s
A 185.174.30.32 172800s
A 185.176.220.224 172209s
A 185.190.142.255 1800s
A 185.212.109.6 172800s
A 185.254.196.145 172479s
A 185.255.120.19 172800s
A 185.57.78.220 1800s
A 192.210.220.35 171767s
A 192.227.159.141 1800s
A 192.3.93.149 172795s
A 193.84.71.211 172800s
A 195.96.138.220 171532s
A 198.12.109.198 172800s
A 198.144.158.86 172800s
A 198.20.107.250 171536s
A 198.20.107.251 172800s
A 198.23.211.195 172800s
A 209.126.113.204 1416s
A 209.126.122.145 171767s
A 209.212.156.18 172209s
A 213.202.223.145 171767s
A 216.189.159.111 172800s
A 23.108.99.182 1800s
A 23.227.170.46 172800s
A 23.80.19.107 1800s
A 23.95.114.221 172800s
A 23.95.6.187 172800s
A 27.102.113.120 172800s
A 27.102.118.183 171186s
A 37.97.184.207 172800s
A 38.45.72.187 172446s
A 45.128.118.24 172800s
A 45.74.244.17 172800s
A 45.8.47.247 1800s
A 45.89.245.136 172795s
A 5.199.130.99 172800s
A 50.2.190.203 171680s
A 50.2.250.34 1800s
A 50.6.173.62 172800s
A 51.222.234.175 171536s
A 51.222.70.213 172800s
A 51.222.90.236 172209s
A 51.91.199.131 172209s
A 62.138.18.49 1800s
A 63.143.42.165 171767s
A 66.181.33.111 172800s
A 69.12.80.58 1800s
A 69.162.116.212 172800s
A 69.197.191.99 172446s
A 70.32.2.14 1800s
A 74.63.239.93 1800s
A 75.127.11.250 172800s
A 78.135.111.134 171532s
A 82.199.133.196 171532s
A 85.122.122.46 1800s
A 85.31.186.25 1800s
A 89.116.220.229 172209s
A 89.163.152.88 1800s
A 89.163.214.244 172800s
A 89.252.163.20 171680s
A 89.44.209.29 171532s
A 91.132.51.46 172800s
A 91.235.116.110 172800s
A 91.238.165.142 171536s
A 93.113.60.232 172800s
A 94.102.13.218 1800s
A 94.102.13.220 1800s
A 94.158.247.194 172446s
A 95.211.165.166 1800s
A 95.211.216.118 1800s
NS dns1.registrar-servers.com
NS dns2.registrar-servers.com
TXT v=spf1 a:mx1.limc.ufrj.br a:mx2.limc.ufrj.br a:mx3.limc.ufrj.br a:mx4.limc.ufrj.br a:mx5.limc.ufrj.br a:mx6.limc.ufrj.br a:mx7.limc.ufrj.br include:aspmx.googlemail.com ~all
TXT v=spf1 ip4:46.165.195.66 ip4:178.162.209.151 ip4:46.165.195.84 ip4:46.165.195.65 -all
every IP & sub-domain we've seen under this domain

Reverse & forward DNS collected by the WorldIP scanner fleet — FCrDNS confirms the PTR hostname resolves back to this IP.

Network Allocation for 74.63.239.93

CIDR range
74.63.238.0/23
IP range (int)
1,245,703,680 — 1,245,704,191
Prefix length
/23
Organization
Limestone Networks, Inc.
ASN
AS46475
ASN name
Limestone Networks, Inc.
Location
Dallas, Texas, United States
Coordinates
32.779700, -96.802200
Accuracy radius
20 km
Postal code
75270
Regional Internet Registry
ARIN
Allocated
2008-08-29
Data source(s)
maxmind_city, ipinfo_lite, maxmind_country, maxmind_asn
Last updated
2026-07-11 09:21:27

Origin AS announcing the most-specific prefix that covers this IP, observed across our RIPE RIS collectors.

Announced prefix
Origin AS
Announcement samples
5,202
Last seen
2026-07-18 21:16:11

Frequently Asked Questions

Who owns 74.63.239.93?

74.63.239.93 is allocated to Limestone Networks, Inc. (AS46475), registered in Dallas, United States.

Where is 74.63.239.93 located?

The geolocation for 74.63.239.93 maps to Dallas, United States based on MaxMind GeoLite2 data. Accuracy depends on the provider and may represent the ISP's regional hub rather than the exact endpoint.

What network is 74.63.239.93 on?

74.63.239.93 belongs to the 74.63.238.0/23 network block announced by AS46475. This range contains 512 addresses.

Does 74.63.239.93 have a reverse DNS record?

Reverse DNS (PTR) records are resolved live when you visit this page. If a PTR record exists, it appears in the Reverse DNS field above. PTR records map IP addresses back to hostnames and are commonly used for email authentication and network diagnostics.

Neighbors

Other addresses in the same /24.

Related

Last updated: 2026-07-18 23:37:38 UTC
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