cedergren.dk

📜 Historical scan 2026-06-16 20:01:48 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cedergren.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 13 April 1999 (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 123ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	—	—	—
ns02.one.com	—	—	—

🌍 A Records#

🌍

No A records found

📧 MX Records#

7 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	aspmx.l.google.com	64.233.163.27	lj-in-f27.1e100.net	AS15169 Google LLC
20	—	alt1.aspmx.l.google.com	192.178.211.27	lcbomp-in-f27.1e100.net	AS15169 Google LLC
20	—	alt2.aspmx.l.google.com	108.177.125.27	tp-in-f27.1e100.net	AS15169 Google LLC
30	—	aspmx2.googlemail.com	192.178.211.27	lcbomp-in-f27.1e100.net	AS15169 Google LLC
30	—	aspmx3.googlemail.com	172.253.158.26	so-in-f26.1e100.net	AS15169 Google LLC
30	—	aspmx4.googlemail.com	108.177.125.27	tp-in-f27.1e100.net	AS15169 Google LLC
30	—	aspmx5.googlemail.com	173.194.43.26	yudlsqd-in-f26.1e100.net	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 179ms

TXT Record
v=msv1 t=720949758376af4785c3a1024c5244

✉️ 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 2026-10-10 15:21:14

www CNAME	ghs.google.com (all on google.com) → 172.217.20.179 2a00:1450:400f:805::2013 (AS15169)
www vs bare domain	Only www resolves cedergren.dk: no address www.cedergren.dk: 172.217.20.179 2a00:1450:400f:805::2013 (AS15169) (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#

102ms

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

🏷️ SOA#

23ms

Field	Value
Serial	2026061001
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 15:37:13

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1999-04-13
Expires	2035-06-30 (3174d)

📋 WHOIS#

⏱️ Lookup Timing#

123ms

61ms

34ms

AAAA

46ms

TXT

179ms

CAA

33ms

HTTPS

34ms

TLSA

75ms

SOA

23ms

MTA-STS

73ms

DNSSEC

102ms

SRV

0ms

Total

566ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 15:21:14	593ms	2 NS 0 A 7 MX	🔒 Secure
2026-09-11 08:35:41	1010ms	2 NS 0 A 7 MX	🔒 Secure
2026-08-10 10:41:06	1379ms	2 NS 0 A 7 MX	🔒 Secure
2026-07-15 03:02:54	1200ms	2 NS 0 A 7 MX	🔒 Secure
2026-07-11 20:38:23	9213ms	2 NS 0 A 7 MX	🔒 Secure
2026-06-25 04:32:18	1678ms	2 NS 0 A 7 MX	🔒 Secure
2026-06-24 00:12:56	913ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 21:52:23	65535ms	2 NS 0 A 7 MX	🔒 Secure
2026-06-16 20:06:04	2426ms	2 NS 0 A 7 MX	🔒 Secure
2026-06-16 20:01:48 shown	566ms	2 NS 0 A 7 MX	🔒 Secure
2026-06-16 20:01:30	678ms	2 NS 0 A 7 MX	🔒 Secure