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CIDR
/20 · 4.1K IPs
ASN
TDC Holding A/S
Reverse DNS
lo0-0.gesnqe51.dk.ip.tdc.net
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)
lo0-0.gesnqe51.dk.ip.tdc.net
Forward-confirmed (FCrDNS)
✗ Mismatch
PTR TTL
43200 s
Reverse DNS last checked
2026-07-20 06:06 UTC
Forward DNS last checked
2026-07-20 06:06 UTC

Forward DNS records for lo0-0.gesnqe51.dk.ip.tdc.net

TypeValuePriorityTTL
A 176.21.32.1 172800s
A 176.21.36.1 172800s
A 176.21.37.1 172800s
A 176.21.39.1 172800s
A 176.21.45.1 172800s
A 188.180.148.1 172800s
A 188.180.172.1 172800s
A 188.180.184.1 172800s
A 188.183.194.1 172800s
A 188.183.198.1 172800s
A 188.183.203.1 172800s
A 195.215.43.1 172800s
A 195.215.46.1 172800s
A 2.105.100.1 172800s
A 2.105.102.1 172800s
A 2.105.108.1 172800s
A 2.105.118.1 172800s
A 2.105.120.1 172800s
A 2.105.64.1 172800s
A 2.105.66.1 172800s
A 2.105.80.1 172800s
A 2.105.83.1 172800s
A 2.105.84.1 172800s
A 2.105.98.1 172800s
A 80.196.137.129 172800s
A 80.196.138.129 172800s
A 80.196.140.129 172800s
A 80.196.141.129 172800s
A 80.196.144.1 172800s
A 80.196.144.129 172800s
A 80.196.145.1 172800s
A 80.196.149.1 172800s
A 80.196.151.1 172800s
A 80.196.152.1 172800s
A 80.196.154.1 172800s
A 80.196.155.129 172800s
A 80.196.156.1 172800s
A 80.196.157.1 172800s
A 80.62.186.169 172800s
A 80.62.40.129 172800s
A 80.62.44.161 172800s
A 83.88.136.1 172800s
A 83.88.137.1 172800s
A 83.88.154.1 172800s
A 83.93.174.1 172800s
A 83.95.103.113 172800s
A 83.95.213.113 172800s
A 83.95.97.1 172800s
A 87.51.131.65 172800s
A 87.51.44.177 172800s
A 87.51.71.49 172800s
A 87.53.217.129 172800s
A 87.53.226.17 172800s
A 87.55.246.1 172800s
A 87.55.247.1 172800s
A 87.55.248.1 172800s
A 93.163.121.1 172800s
A 93.163.124.1 172800s
A 93.163.124.129 172800s
A 93.163.127.129 172800s
A 93.167.155.1 172800s
A 93.167.156.1 172800s
A 93.167.216.1 172800s
A 93.167.217.1 172800s
A 93.167.218.1 172800s
A 93.167.219.1 172800s
A 94.189.27.1 172800s
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.

This IP's reverse DNS changes frequently — the timeline below shows the most recent changes.

  1. lo0-0.soebjnqe40.dk.ip.tdc.net — Jul 8, 2026 → present
  2. lo0-0.adpnqe50.dk.ip.tdc.net — Jul 4, 2026 → Jul 8, 2026
  3. lo0-0.sdnqe10.dk.ip.tdc.net — Jul 2, 2026 → Jul 4, 2026
  4. lo0-0.vm2nqe40.dk.ip.tdc.net — Jun 30, 2026 → Jul 2, 2026
  5. lo0-0.bohnqe40.dk.ip.tdc.net — Jun 29, 2026 → Jun 30, 2026
  6. lo0-0.oeddnqe40.dk.ip.tdc.net — Jun 26, 2026 → Jun 29, 2026
  7. lo0-0.hsnqe10.dk.ip.tdc.net — Jun 26, 2026 → Jun 26, 2026
  8. lo0-0.flmnqe30.dk.ip.tdc.net — Jun 23, 2026 → Jun 26, 2026
  9. lo0-0.hatnqe50.dk.ip.tdc.net — Jun 19, 2026 → Jun 23, 2026
  10. lo0-0.bk1nqe50.dk.ip.tdc.net — Jun 19, 2026 → Jun 19, 2026
  11. lo0-0.nimnqe50.dk.ip.tdc.net — Jun 16, 2026 → Jun 19, 2026
  12. lo0-0.veenqe30.dk.ip.tdc.net — Jun 15, 2026 → Jun 16, 2026
  13. lo0-0.luhsnqe30.dk.ip.tdc.net — Jun 14, 2026 → Jun 15, 2026
  14. lo0-0.bupnqe40.dk.ip.tdc.net — Jun 5, 2026 → Jun 14, 2026

Network Allocation for 2.105.107.1

CIDR range
2.105.96.0/20
IP range (int)
40,460,288 — 40,464,383
Prefix length
/20
Organization
TDC Holding A/S
ASN
AS3292
ASN name
TDC Holding A/S
Location
Fredericia, South Denmark, Denmark
Coordinates
55.556300, 9.717000
Accuracy radius
10 km
Postal code
7000
Regional Internet Registry
RIPE
Allocated
2010-05-04
Data source(s)
maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
Last updated
2026-07-21 04:03:43

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

Announced prefix
Origin AS
Announcement samples
4,852
Last seen
2026-07-21 09:43:11

Frequently Asked Questions

Who owns 2.105.107.1?

2.105.107.1 is allocated to TDC Holding A/S (AS3292), registered in Fredericia, Denmark.

Where is 2.105.107.1 located?

The geolocation for 2.105.107.1 maps to Fredericia, Denmark 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 2.105.107.1 on?

2.105.107.1 belongs to the 2.105.96.0/20 network block announced by AS3292. This range contains 4,096 addresses.

Does 2.105.107.1 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: 2026-07-21 09:52:03 UTC
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