undr.dk

Records from scan: 2026-09-27 21:13:32 · 2048ms total · last checked 2026-10-17 19:37 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

undr.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 4 November 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.211.38 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 29ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.211.38	600s	domain-parking.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records#

5 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	2a00:1450:4010:c0f::1b 2a00:1450:4010:c0f::1b 64.233.161.26	lt-in-f27.1e100.net lt-in-x1b.1e100.net lh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1a	mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1b	so-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1b	tp-in-f26.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 142ms

TXT Record
google-site-verification=cQk8wyXhTU9zcWv2pWKMSROPFrJNDVgY-JF8hyVEg7c

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

checked 2026-10-08 23:53:26

www	46.30.211.38 (AS51468) (address records, no CNAME)
www vs bare domain	Same network undr.dk: 46.30.211.38 (AS51468) www.undr.dk: 46.30.211.38 (AS51468)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

115ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2026092701
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-18 05:02:05

Field	Value
Registrar	ONE.COM A/S
Registered	2013-11-04
Expires	2026-11-30 (42d)

🔗 Same registrant#

7 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
353.dk	ONE.COM A/S
545.dk	ONE.COM A/S
adservio.dk	Punktum dk A/S (direct)
anemonebyg.dk	ONE.COM A/S
bondelindberg.dk	Punktum dk A/S (direct)
precisiongrinding.dk	ONE.COM A/S
åvangsmølle.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

29ms

38ms

36ms

AAAA

28ms

TXT

142ms

CAA

30ms

HTTPS

31ms

TLSA

197ms

SOA

0ms

MTA-STS

48ms

DNSSEC

115ms

SRV

44ms

Total

2048ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-27 21:13:32 shown	2048ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-23 18:16:45	4490ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-02 00:23:03	694ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-26 11:57:12	712ms	2 NS 1 A 5 MX	🔒 Secure
2026-07-11 08:58:09	7021ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-24 09:44:28	979ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-24 07:52:36	1164ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 16:34:13	1150ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-20 11:33:11	2543ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-17 23:34:27	989ms	2 NS 1 A 5 MX	🔒 Secure