ketner.dk

📜 Historical scan 2026-10-01 06:16:37 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ketner.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 24 February 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 138.199.234.25 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by ketner-dk.mail.protection.outlook.com. 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 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 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
138.199.234.25	600s	static.25.234.199.138.clients.your-server.de	AS24940	Hetzner Online GmbH	138.199.128.0/17	🇩🇪 Germany	Falkenstein

📧 MX Records#

1 records 27ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	ketner-dk.mail.protection.outlook.com	2a01:111:f403:ca04::e 2a01:111:f403:ca09::28 2a01:111:f403:ca38::8 2a01:111:f403:ca48::8 52.101.68.12 52.101.68.27 52.101.73.155 52.101.91.21	mail-db8pr02cu00106.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-am7pr02cu00203.inbound.protection.outlook.com mail-matpr05cu00105.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

🔌 SRV Records#

1 records 60ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 143ms

TXT Record
google-site-verification=igHwZDQyFzZGQsEtVq8eGU1NpWhGpIPqJHo1AFFOnY4
v=spf1 include:nde-ketner.dk -all

✉️ SPF#

Policy	Record (ketner.dk)
-all (hard fail)	v=spf1 include:nde-ketner.dk -all

📨 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 2026-10-24 12:29:39

www CNAME	ketner.dk (all on ketner.dk) → 138.199.234.25 (AS24940)
www vs bare domain	Same network ketner.dk: 138.199.234.25 (AS24940) www.ketner.dk: 138.199.234.25 (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.u37001616.wl117.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u37001616.wl117.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: 5/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

64ms

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

🏷️ SOA#

48ms

Field	Value
Serial	2026090201
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 2026-10-24 12:51:32

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1997-02-24
Expires	2028-03-31 (523d)

🔗 Same registrant#

6 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
boschaalborg.dk	Punktum dk A/S (direct)
boschcarserviceherning.dk	Punktum dk A/S (direct)
boschkolding.dk	Punktum dk A/S (direct)
ketneraalborg.dk	Punktum dk A/S (direct)
ketnerodense.dk	Punktum dk A/S (direct)
nde-ketner.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

47ms

38ms

27ms

AAAA

33ms

TXT

143ms

CAA

40ms

HTTPS

42ms

TLSA

886ms

SOA

48ms

MTA-STS

43ms

DNSSEC

64ms

SRV

60ms

Total

1338ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-24 12:29:39	513ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-15 20:52:28	1520ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-07 20:18:42	1011ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-03 06:19:43	947ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 06:16:37 shown	1338ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 23:29:59	962ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-21 15:37:58	3294ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-08 03:20:25	1025ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-31 08:13:22	3215ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 11:02:19	1632ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 10:53:05	10370ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-06 20:05:19	5814ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-04 08:08:01	1756ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-19 03:04:55	5494ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-01 19:59:13	889ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-30 15:18:42	1111ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 22:57:44	691ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 19:43:18	1322ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 11:53:02	855ms	2 NS 1 A 1 MX	🔒 Secure