henning-knudsen.dk

Records from scan: 2026-10-08 01:22:59 · 2211ms total · last checked 2026-10-20 13:20 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

henning-knudsen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 12 February 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by .. The zone is DNSSEC-signed and validates, has no 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 117ms

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#

🌍

No A records found

📧 MX Records#

1 records 109ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	. Null MX — domain accepts no email (RFC 7505)

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	ghs.googlehosted.com → 142.251.14.121
🔶 Autoconfig	ghs.googlehosted.com → 142.251.14.121

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 497ms

TXT Record
google-site-verification=AyW093D9M-lmUVYX76xNhydRzQR85NXEYaVrB4nZPR0
google-site-verification=pYfqptwJx0Gn8dldGWua2eyUgolHb7tZS8jHNQRszes

✉️ 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 2026-10-08 01:22:59

www CNAME	ghs.googlehosted.com (all on googlehosted.com) → 142.251.14.121 2a00:1450:4001:c15::79 (AS15169)
www vs bare domain	Only www resolves henning-knudsen.dk: no address www.henning-knudsen.dk: 142.251.14.121 2a00:1450:4001:c15::79 (AS15169) (all like this)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.henning-knudsen.dk	ghs.googlehosted.com

🔗 TLSA / DANE#

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

🔐 DNSSEC#

389ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

110ms

Field	Value
Serial	2026100701
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 2026-10-02 22:55:47

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2017-02-12
Expires	2027-02-28 (130d)

📋 WHOIS#

⏱️ Lookup Timing#

117ms

109ms

AAAA

91ms

TXT

497ms

CAA

161ms

HTTPS

128ms

TLSA

146ms

SOA

110ms

MTA-STS

308ms

DNSSEC

389ms

SRV

283ms

Total

2211ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 01:22:59 shown	2211ms	2 NS 0 A 1 MX	🔒 Secure
2026-10-02 22:18:26	733ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-01 02:32:36	831ms	2 NS 0 A 4 MX	🔒 Secure
2026-08-30 01:24:46	629ms	2 NS 0 A 4 MX	🔒 Secure
2026-08-27 05:57:41	1142ms	2 NS 0 A 4 MX	🔒 Secure
2026-08-19 21:03:50	5183ms	2 NS 0 A 4 MX	🔒 Secure
2026-06-17 11:16:42	1227ms	2 NS 0 A 4 MX	🔒 Secure
2026-06-17 11:11:53	655ms	2 NS 0 A 4 MX	🔒 Secure