nikolajgrundtvig.dk

Records from scan: 2026-10-23 09:11:34 · 1717ms total · last checked 2026-10-24 13:39 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

nikolajgrundtvig.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 1 November 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 216.198.79.1 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by mx.unoeuro.com, aspmx.l.google.com and 4 more. The zone is DNSSEC-signed and validates, publishes a 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 159ms

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 123ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
216.198.79.1	600s	—	AS16509	Amazon.com, Inc.	216.198.79.0/24	🇺🇸 United States	—

📧 MX Records#

6 records 161ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx.unoeuro.com	94.231.103.108 94.231.106.20	mx.simply.com mx.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
20	3600s	aspmx.l.google.com	2a00:1450:4010:c0e::1b 2a00:1450:4010:c0e::1b 64.233.165.26	lu-in-x1b.1e100.net lu-in-f27.1e100.net lg-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
30	3600s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	3600s	alt2.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1b	yukulwh-in-f26.1e100.net mad01s14-in-f26.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
40	3600s	alt3.aspmx.l.google.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
40	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 291ms

TXT Record
v=spf1 include:spf.simply.com -all

✉️ SPF#

Policy	Record (nikolajgrundtvig.dk)
-all (hard fail)	v=spf1 include:spf.simply.com -all

📨 DMARC#

Policy	Record (_dmarc.nikolajgrundtvig.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 2026-10-23 09:11:34

www CNAME	5dc0080378c3e639.vercel-dns-017.com (all on vercel-dns-017.com) → 216.198.79.1 64.29.17.1 (AS16509)
www vs bare domain	Same network nikolajgrundtvig.dk: 216.198.79.1 (AS16509) www.nikolajgrundtvig.dk: 216.198.79.1 64.29.17.1 (AS16509)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

258ms

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

🏷️ SOA#

73ms

Field	Value
Serial	2026102201
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 2026-10-19 10:01:08

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2011-11-01
Expires	2026-11-30 (36d)

🔗 Same registrant#

1 domain

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
grundtvigfoto.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

159ms

123ms

161ms

AAAA

167ms

TXT

291ms

CAA

166ms

HTTPS

160ms

TLSA

504ms

SOA

73ms

MTA-STS

178ms

DNSSEC

258ms

SRV

184ms

Total

1717ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-23 09:11:34 shown	1717ms	2 NS 1 A 6 MX	🔒 Secure
2026-09-23 21:56:13	777ms	2 NS 1 A 6 MX	🔒 Secure
2026-08-27 03:26:24	958ms	2 NS 1 A 6 MX	🔒 Secure
2026-07-28 16:40:17	5736ms	2 NS 1 A 6 MX	🔒 Secure
2026-06-29 05:22:51	754ms	2 NS 1 A 6 MX	🔒 Secure
2026-06-17 13:01:40	3021ms	2 NS 1 A 6 MX	🔒 Secure