obsero.dk

Records from scan: 2026-10-21 23:39:15 · 495ms total · last checked 2026-10-26 05:55 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

obsero.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 18 July 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 159.69.33.207 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by obsero-dk.mail.protection.outlook.com. 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 43ms

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 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
159.69.33.207	600s	static.207.33.69.159.clients.your-server.de	AS24940	Hetzner Online GmbH	159.69.0.0/16	🇩🇪 Germany	Nuremberg

📧 MX Records#

1 records 31ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	obsero-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::c 2a01:111:f403:ca3c::8 2a01:111:f403:ca48::10 52.101.103.137 52.101.103.162 52.101.68.29 52.101.68.39	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-zrxpr05cu00100.inbound.protection.outlook.com mail-miypr05cu00100.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-miypr03cu00202.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.149.136

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 142ms

TXT Record
google-site-verification=Qp1sH6ONrkXsI3tklocBc1_LEnkxC1qjPqep2TyoAEk
MS=ms51400261
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (obsero.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.obsero.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 2026-10-21 23:39:15

www	159.69.33.207 (AS24940) (address records, no CNAME)
www vs bare domain	Same network obsero.dk: 159.69.33.207 (AS24940) www.obsero.dk: 159.69.33.207 (AS24940)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
s1	s1.domainkey.u26271767.wl018.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u26271767.wl018.sendgrid.net	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#

60ms

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

🏷️ SOA#

45ms

Field	Value
Serial	2026102001
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 2026-10-21 23:50:10

Field	Value
Registrar	ONE.COM A/S
Registered	2025-07-18
Expires	2027-07-17 (264d)

🔗 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
tmkholding.dk	ONE.COM A/S

📋 WHOIS#

⏱️ Lookup Timing#

43ms

33ms

31ms

AAAA

34ms

TXT

142ms

CAA

34ms

HTTPS

38ms

TLSA

108ms

SOA

45ms

MTA-STS

46ms

DNSSEC

60ms

SRV

75ms

Total

495ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-21 23:39:15 shown	495ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 11:44:55	918ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-24 04:09:47	823ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 15:31:10	963ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-22 06:20:12	8727ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-20 05:17:04	7807ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-19 23:25:06	1017ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-07 11:17:25	1224ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-03 13:37:06	2628ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-01 08:21:33	871ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-28 00:40:53	889ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 04:29:25	947ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 12:36:50	1200ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 21:44:27	2065ms	2 NS 1 A 1 MX	🔒 Secure