n4irb.dk

📜 Historical scan 2026-10-03 05:59:53 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

n4irb.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 13 February 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 5 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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 32ms

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#

🌍

No A records found

📧 MX Records#

7 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	aspmx.l.google.com	173.194.220.26 2a00:1450:4010:c1e::1a	lk-in-f26.1e100.net lb-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	43200s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	43200s	alt2.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1a	yukulwh-in-f27.1e100.net mad01s14-in-f27.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx2.googlemail.com	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx3.googlemail.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1a	mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx4.googlemail.com	172.253.158.27 2404:6800:4003:c26::1b	so-in-f27.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx5.googlemail.com	108.177.125.27 2404:6800:4008:c01::1b	tp-in-f27.1e100.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#

📝

No TXT records found

✉️ 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#

latest probe, not this scan · checked 2026-10-23 15:20:53

www	46.30.211.38 (AS51468) (address records, no CNAME)
www vs bare domain	Only www resolves n4irb.dk: no address www.n4irb.dk: 46.30.211.38 (AS51468) (all like this)
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#

54ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

31ms

Field	Value
Serial	2026092601
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 2026-10-10 05:58:39

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2010-02-13
Expires	2027-02-28 (127d)

📋 WHOIS#

⏱️ Lookup Timing#

32ms

40ms

43ms

AAAA

32ms

TXT

135ms

CAA

40ms

HTTPS

38ms

TLSA

92ms

SOA

31ms

MTA-STS

48ms

DNSSEC

54ms

SRV

49ms

Total

503ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-23 15:20:53	621ms	2 NS 0 A 7 MX	🔒 Secure
2026-10-03 05:59:53 shown	503ms	2 NS 0 A 7 MX	🔒 Secure
2026-10-01 03:07:54	878ms	2 NS 0 A 7 MX	🔒 Secure
2026-09-27 00:33:46	894ms	2 NS 0 A 7 MX	🔒 Secure
2026-09-22 17:46:11	1290ms	2 NS 0 A 7 MX	🔒 Secure
2026-09-15 17:01:13	736ms	2 NS 0 A 7 MX	🔒 Secure
2026-08-26 14:09:48	1799ms	2 NS 0 A 7 MX	🔒 Secure
2026-08-04 14:27:39	5411ms	2 NS 0 A 7 MX	🔒 Secure
2026-07-26 15:32:30	1225ms	2 NS 0 A 7 MX	🔒 Secure
2026-07-03 00:51:40	1382ms	2 NS 0 A 7 MX	🔒 Secure
2026-06-26 19:45:30	689ms	2 NS 0 A 7 MX	🔒 Secure
2026-06-25 13:05:32	2087ms	2 NS 0 A 7 MX	🔒 Secure
2026-06-20 06:33:36	2856ms	2 NS 0 A 7 MX	🔒 Secure
2026-06-18 02:21:06	1188ms	2 NS 0 A 7 MX	🔒 Secure