holt-larsen.dk DNS records

🖥️ Nameservers3 records 123ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.heimdns.net	2a01:4f9:c013:3e15::53 77.42.80.67	ns1.heimdns.net ns1.heimdns.net	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns2.heimdns.net	2a01:4f8:c012:84a2::53 88.99.85.105	ns2.heimdns.net ns2.heimdns.net	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns3.heimdns.net	185.31.77.53 2a00:b920:3:1337:77::53	ns3.heimdns.net ns3.heimdns.net	AS47527 DLX A/S AS47527 DLX A/S

🌍 A Records

🌍

No A records found

📧 MX Records1 records 132ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1337	1337s	mx.sohola.net	213.142.141.225 2a00:b921:1:1337:10:141:0:225	mx.sohola.net mx.sohola.net	AS47527 DLX A/S AS47527 DLX A/S

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records1 records 46ms

Priority	Target	SvcParams
1 service	.	alpn="h2"

📝 TXT Records1 records 303ms

TXT Record
v=spf1 include:spf.sohola.net -all

✉️ SPF

Policy	Record (holt-larsen.dk)
-all (hard fail)	v=spf1 include:spf.sohola.net -all

📨 DMARC

Policy	Record (_dmarc.holt-larsen.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100; rua=mailto:eaa17656@in.mailhardener.com,mailto:dmarc@sohola.net; sp=none; aspf=r

📬 MTA-STS386ms

Check	Result
Status	🔒 Enforce
TXT record (_mta-sts)	✓ Found
HTTPS policy	✓ Valid
Mode	enforce
Policy ID	1337
max_age	172800s
Policy MX	mx.sohola.net

📈 TLSRPT

Status	Report address (rua)
✓ Enabled	mailto:eaa17656@in.mailhardener.com

📜 CAA Records3 records 1ms

Flags	Tag	Value
0	iodef	mailto:hostmaster@holt-larsen.dk
0	issue	letsencrypt.org
0	issuewild	;

🔗 TLSA / DANE1 records 110ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.sohola.net	DANE-EE · SPKI · SHA-256	B773093E63819E4DD4910A7D61C2F318…

🔐 DNSSEC261ms

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

Key type	Algorithm	Public key
KSK	ECDSA P-256/SHA-256	zqt0RcvYMq8UJIssVGOOzqycdVhCTdfo37rZp3Ke…

🏷️ SOA51ms

Field	Value
Serial	2026062402
Primary NS (MNAME)	ns1.heimdns.net
Responsible (RNAME)	hostmaster@heimdns.net
Refresh	28800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

123ms

A

29ms

MX

132ms

AAAA

70ms

TXT

303ms

CAA

1ms

HTTPS

46ms

TLSA

110ms

SOA

51ms

MTA-STS

386ms

DNSSEC

261ms

SRV

0ms

Total

3856ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-05 21:45:59	3856ms	3 NS 0 A 1 MX	🔒 Secure	View
2026-06-29 19:58:55	5775ms	3 NS 0 A 1 MX	🔒 Secure	View
2026-06-29 09:49:21	3946ms	3 NS 0 A 1 MX	🔒 Secure	View
2026-06-27 12:05:47	2129ms	3 NS 0 A 1 MX	🔒 Secure	View
2026-06-25 09:37:55	1680ms	3 NS 0 A 1 MX	🔒 Secure	View
2026-06-24 16:54:12	2943ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-24 03:37:11	3325ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-23 17:04:27	3785ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-22 22:09:23	8440ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-22 15:10:59	2019ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-22 14:38:31	4332ms	2 NS 0 A 1 MX	⚠️ Bogus	View
2026-06-20 22:26:34	2652ms	2 NS 0 A 1 MX	⚠️ Bogus	View
2026-06-20 12:03:29	1968ms	2 NS 0 A 1 MX	⚠️ Bogus	View
2026-06-20 06:42:34	3089ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-17 12:14:27	1279ms	2 NS 0 A 1 MX	🔒 Secure	View