underombygning.dk

📜 Historical scan 2026-09-10 18:09:01 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

underombygning.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 22 August 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.211.38 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by underombygning-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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 144ms

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 144ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.211.38	600s	domain-parking.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 91ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	underombygning-dk.mail.protection.outlook.com	2a01:111:f403:c967:: 2a01:111:f403:c967::2 2a01:111:f403:c967::4 2a01:111:f403:c967::6 52.101.209.2 52.101.209.4 52.101.209.6 52.101.209.74	mail-cpcp307cu00400.inbound.protection.outlook.com mail-cpap307cu00402.inbound.protection.outlook.com mail-cpap307cu00204.inbound.protection.outlook.com mail-cpcp307cu00206.inbound.protection.outlook.com mail-cpap307cu00402.inbound.protection.outlook.com mail-cpap307cu00204.inbound.protection.outlook.com mail-cpcp307cu00206.inbound.protection.outlook.com mail-cpcp307cu00402.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 → 52.98.228.56

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 540ms

TXT Record
MS=ms77091849
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.underombygning.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@underombygning.dk; ruf=mailto:dmarc@underombygning.dk; fo=1

📬 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 2026-10-15 22:15:01

www	Exists, no address
www vs bare domain	Neither resolves underombygning.dk: no address www.underombygning.dk: no address
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-underombygning-dk._domainkey.hjorthene.r-v1.dkim.mail.microsoft	RSA · ~2048 bit
selector2	selector2-underombygning-dk._domainkey.hjorthene.r-v1.dkim.mail.microsoft	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#

191ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026090401
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 2026-10-14 21:41:55

Field	Value
Registrar	ONE.COM A/S
Registered	2007-08-22
Expires	2027-08-31 (318d)

🔗 Same registrant#

8 domains

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
4stokkeslag.dk	ONE.COM A/S
allevoresfotos.dk	ONE.COM A/S
fridakhjorth.dk	ONE.COM A/S
hjorth-boelskifte.dk	ONE.COM A/S
hjorthene.dk	ONE.COM A/S
josefinekhjorth.dk	ONE.COM A/S
turbilleder.dk	ONE.COM A/S
ungerneshjemmeside.dk	ONE.COM A/S

📋 WHOIS#

⏱️ Lookup Timing#

144ms

91ms

AAAA

135ms

TXT

540ms

CAA

133ms

HTTPS

100ms

TLSA

244ms

SOA

0ms

MTA-STS

131ms

DNSSEC

191ms

SRV

679ms

Total

1513ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 22:15:00	2284ms	2 NS 0 A 1 MX	🔒 Secure
2026-10-14 21:24:28	1394ms	2 NS 0 A 1 MX	🔒 Secure
2026-10-12 16:28:57	1404ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-09 11:10:36	1036ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-02 16:15:36	1082ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-17 20:02:39	1389ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-17 19:47:40	1741ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-10 18:09:01 shown	1513ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 13:45:48	1609ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-12 22:34:30	2776ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-07 10:16:03	4170ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-23 21:23:20	9234ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-18 05:53:54	9678ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-16 20:51:57	9418ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-27 20:32:29	1472ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 18:59:00	937ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-19 13:44:07	3903ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 13:07:32	1604ms	2 NS 1 A 1 MX	🔒 Secure