cederstroem.dk

📜 Historical scan 2026-08-26 12:24:40 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cederstroem.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 1 October 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 85.81.27.187 is hosted by Telenor A/S (AS9158) in Denmark. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 5 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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 47ms

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 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
85.81.27.187	43200s	—	AS9158	Telenor A/S	85.80.0.0/14	🇩🇰 Denmark	Aarhus

📧 MX Records#

7 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	43200s	aspmx.l.google.com	2a00:1450:4010:c0f::1a 2a00:1450:4010:c0f::1a 64.233.161.27	lt-in-x1a.1e100.net lt-in-f26.1e100.net lh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	43200s	alt1.aspmx.l.google.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
5	43200s	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
10	43200s	aspmx2.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
10	43200s	aspmx3.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
10	43200s	aspmx4.googlemail.com	172.253.158.27 2404:6800:4003:c26::1a	so-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx5.googlemail.com	108.177.125.26 2404:6800:4008:c01::1a	tp-in-f26.1e100.net tp-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 166ms

TXT Record
v=spf1 include:_spf.google.com ~all

✉️ SPF#

Policy	Record (cederstroem.dk)
~all (soft fail)	v=spf1 include:_spf.google.com ~all

📨 DMARC#

Policy	Record (_dmarc.cederstroem.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#

latest probe, not this scan · checked 2026-10-14 08:08:04

www	46.30.211.38 (AS51468) (address records, no CNAME)
www vs bare domain	Different networks cederstroem.dk: 85.81.27.187 (AS9158) www.cederstroem.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

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 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#

88ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026032401
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 2026-10-08 23:09:58

Field	Value
Registrar	ONE.COM A/S
Registered	2007-10-01
Expires	2028-10-31 (741d)

📋 WHOIS#

⏱️ Lookup Timing#

47ms

35ms

36ms

AAAA

49ms

TXT

166ms

CAA

51ms

HTTPS

41ms

TLSA

177ms

SOA

0ms

MTA-STS

68ms

DNSSEC

88ms

SRV

58ms

Total

944ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 08:08:03	805ms	2 NS 1 A 7 MX	🔒 Secure
2026-10-10 00:59:21	2239ms	2 NS 1 A 7 MX	🔒 Secure
2026-10-08 23:07:39	1704ms	2 NS 1 A 7 MX	🔒 Secure
2026-09-30 21:26:35	629ms	2 NS 1 A 7 MX	🔒 Secure
2026-09-24 11:58:44	836ms	2 NS 1 A 7 MX	🔒 Secure
2026-09-23 17:55:13	1014ms	2 NS 1 A 7 MX	🔒 Secure
2026-09-17 03:43:43	942ms	2 NS 1 A 7 MX	🔒 Secure
2026-08-28 04:23:58	908ms	2 NS 1 A 7 MX	🔒 Secure
2026-08-26 12:24:40 shown	944ms	2 NS 1 A 7 MX	🔒 Secure
2026-08-24 21:44:24	16917ms	2 NS 1 A 7 MX	🔒 Secure
2026-06-19 03:52:49	941ms	2 NS 1 A 7 MX	🔒 Secure
2026-06-16 20:41:50	13662ms	2 NS 0 A 0 MX	⚠️ Bogus
2026-06-16 20:21:38	2391ms	2 NS 1 A 7 MX	🔒 Secure
2026-06-16 20:02:10	574ms	2 NS 1 A 7 MX	🔒 Secure
2026-06-16 20:01:20	816ms	2 NS 1 A 7 MX	🔒 Secure