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CIDR
/25 · 128 IPs
ASN
MasterDC s.r.o.
Reverse DNS
mail.adalo.co.uk
last known PTR from 24 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.

78/100
Moderate
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)
mail.adalo.co.uk
Forward-confirmed (FCrDNS)
Not checked
PTR TTL
604800 s
Reverse DNS last checked
2026-07-05 20:05 UTC
Forward DNS last checked
2026-07-05 20:05 UTC

Forward DNS records for mail.adalo.co.uk

TypeValuePriorityTTL
A 149.100.156.53 172800s
MX mail.adalo.co.uk 10
NS randy.ns.cloudflare.com
NS ullis.ns.cloudflare.com
TXT v=spf1 a:mail.adalo.co.uk -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.

Reverse DNS history

How this IP's reverse DNS (PTR) has changed over time, from our scans.

  1. no PTR — Jun 24, 2026 → present
  2. mail.adalo.co.uk stable — Jun 1, 2026 → Jun 24, 2026

Network Allocation for 37.205.11.253

CIDR range
37.205.11.0/25
IP range (int)
634,194,688 — 634,194,815
Prefix length
/25
Organization
MasterDC s.r.o.
ASN
AS24971
ASN name
MasterDC s.r.o.
Location
Brno, South Moravian, Czechia
Coordinates
49.195300, 16.601600
Accuracy radius
20 km
Postal code
603 00
Regional Internet Registry
RIPE
Allocated
2012-03-27
Data source(s)
maxmind_city, maxmind_asn, maxmind_country, ipinfo_lite
Last updated
2026-07-11 09:19:56

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

Announced prefix
Origin AS
Announcement samples
6,652
Last seen
2026-07-18 21:36:34

Frequently Asked Questions

Who owns 37.205.11.253?

37.205.11.253 is allocated to MasterDC s.r.o. (AS24971), registered in Brno, Czechia.

Where is 37.205.11.253 located?

The geolocation for 37.205.11.253 maps to Brno, Czechia 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 37.205.11.253 on?

37.205.11.253 belongs to the 37.205.11.0/25 network block announced by AS24971. This range contains 128 addresses.

Does 37.205.11.253 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 19:13:39 UTC
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