jonasholbech.dk

Records from scan: 2026-10-12 22:12:05 · 647ms total · last checked 2026-10-18 03:49 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jonasholbech.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 19 September 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.240.133 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. 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 33ms

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 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.111.240.133	3600s	webcluster6.webpod11-cph3.one.com	AS51468	One.com A/S	77.111.240.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records#

5 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	108.177.14.27 2a00:1450:4010:c1e::1a	lt-in-f27.1e100.net lb-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1a	mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1a	so-in-f26.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1b	tp-in-f26.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

1 records 37ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:102:2d:11f2:655b:aa37	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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#

checked 2026-10-12 22:12:05

www	77.111.240.133 2a02:2350:5:102:2d:11f2:655b:aa37 (AS51468) (address records, no CNAME)
www vs bare domain	Same network jonasholbech.dk: 77.111.240.133 2a02:2350:5:102:2d:11f2:655b:aa37 (AS51468) www.jonasholbech.dk: 77.111.240.133 2a02:2350:5:102:2d:11f2:655b:aa37 (AS51468)
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 · ~1024 bit below 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.

🔗 TLSA / DANE#

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

🔐 DNSSEC#

66ms

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

🏷️ SOA#

37ms

Field	Value
Serial	2026101201
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 2026-10-15 01:10:17

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2006-09-19
Expires	2027-09-30 (347d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

33ms

37ms

39ms

AAAA

37ms

TXT

180ms

CAA

36ms

HTTPS

66ms

TLSA

85ms

SOA

37ms

MTA-STS

42ms

DNSSEC

66ms

SRV

59ms

Total

647ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 22:12:05 shown	647ms	2 NS 1 A 5 MX	🔒 Secure
2026-10-03 16:37:11	569ms	2 NS 1 A 5 MX	🔒 Secure
2026-10-01 02:06:13	625ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-24 21:05:18	680ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-15 14:30:09	1168ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-02 03:34:36	739ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-27 22:54:00	777ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-23 13:25:12	4010ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-22 12:27:25	1480ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-14 13:46:45	2891ms	2 NS 1 A 5 MX	🔒 Secure
2026-07-13 16:44:46	3282ms	2 NS 1 A 5 MX	🔒 Secure
2026-07-09 02:15:07	1225ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-22 21:55:57	2242ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-20 18:01:38	1313ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-17 11:57:34	951ms	2 NS 1 A 5 MX	🔒 Secure