osterbog.dk

📜 Historical scan 2026-08-16 19:45:26 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

osterbog.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.195.176.193 is hosted by GlobalConnect A/S (AS31027) 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 13ms

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 6ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
217.195.176.193	43200s	—	AS31027	GlobalConnect A/S	217.195.176.0/20	🇩🇰 Denmark	—

📧 MX Records#

7 records 6ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	43200s	aspmx.l.google.com	2a00:1450:4010:c0f::1a 64.233.161.27	lt-in-f26.1e100.net lh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	43200s	alt1.aspmx.l.google.com	192.178.211.26 2404:6800:4000:1025::1b	lcbomp-in-f26.1e100.net lcbomp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	43200s	alt2.aspmx.l.google.com	173.194.41.26 2404:6800:4001:c01::1a	yukulwh-in-f26.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx3.googlemail.com	173.194.41.26 2404:6800:4001:c01::1b	yukulwh-in-f26.1e100.net yukulwh-in-f27.1e100.net	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	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	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 74ms

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

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.osterbog.dk)
p=quarantine	v=DMARC1; p=quarantine;

📬 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 2026-10-13 01:18:12

www CNAME	osterbog.dk (all on osterbog.dk) → 217.195.176.193 (AS31027)
www vs bare domain	Same network osterbog.dk: 217.195.176.193 (AS31027) www.osterbog.dk: 217.195.176.193 (AS31027)
Wildcard	Yes: any name under the zone resolves
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#

5247ms

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

Key type	Algorithm	Public key
KSK	ECDSA P-256/SHA-256	eUwH5jQSOuDan1aMxhQfppk8xJs/PQrzgDtk/4KU…
ZSK	ECDSA P-256/SHA-256	ePf10nbjj7m/ZEtDMVj5KEErSThrUGEYcm2VpNee…

🏷️ SOA#

7ms

Field	Value
Serial	2026081101
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

13ms

6ms

AAAA

26ms

TXT

74ms

CAA

6ms

HTTPS

27ms

TLSA

273ms

SOA

7ms

MTA-STS

104ms

DNSSEC

5247ms

SRV

0ms

Total

7267ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 01:18:12	600ms	2 NS 1 A 7 MX	🔒 Secure
2026-10-08 00:16:37	608ms	2 NS 1 A 7 MX	🔒 Secure
2026-09-30 17:59:25	1029ms	2 NS 1 A 7 MX	🔒 Secure
2026-09-17 21:21:25	858ms	2 NS 1 A 7 MX	🔒 Secure
2026-09-11 19:44:23	1055ms	2 NS 1 A 7 MX	🔒 Secure
2026-08-28 03:52:35	975ms	2 NS 1 A 7 MX	🔒 Secure
2026-08-16 19:45:26 shown	7267ms	2 NS 1 A 7 MX	🔒 Secure
2026-08-12 14:37:59	5806ms	2 NS 1 A 7 MX	🔒 Secure
2026-07-17 23:26:53	17287ms	2 NS 1 A 7 MX	🔒 Secure
2026-07-13 12:02:04	9460ms	2 NS 1 A 7 MX	🔒 Secure
2026-06-30 01:41:13	965ms	2 NS 1 A 7 MX	🔒 Secure
2026-06-18 06:25:33	964ms	2 NS 1 A 7 MX	🔒 Secure