cedergren.dk

📜 Historical scan 2026-09-11 08:35:41 · ← 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 142ms

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 107ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	aspmx.l.google.com	142.250.147.26 2a00:1450:4025:c03::1a	rd-in-f26.1e100.net rc-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	43200s	alt1.aspmx.l.google.com	192.178.211.26 2404:6800:4000:1025::1a	lcbomp-in-f26.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	43200s	alt2.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
30	43200s	aspmx2.googlemail.com	192.178.211.26 2404:6800:4000:1025::1a	lcbomp-in-f26.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx3.googlemail.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx4.googlemail.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1a	yukulwh-in-f26.1e100.net mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx5.googlemail.com	172.253.158.26 2404:6800:4003:c26::1a	so-in-f26.1e100.net so-in-f26.1e100.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 320ms

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#

195ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026090901
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#

142ms

104ms

107ms

AAAA

127ms

TXT

320ms

CAA

115ms

HTTPS

100ms

TLSA

107ms

SOA

0ms

MTA-STS

134ms

DNSSEC

195ms

SRV

143ms

Total

1010ms

🕐 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 shown	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	566ms	2 NS 0 A 7 MX	🔒 Secure
2026-06-16 20:01:30	678ms	2 NS 0 A 7 MX	🔒 Secure