linux-hacker.dk DNS records

🖥️ Nameservers2 records 88ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.desec.io	2607:f740:e633:deec::2 45.54.76.1	ns1.desec.io ns1.desec.io	AS63911 NetActuate, Inc AS63911 NetActuate, Inc
ns2.desec.org	157.53.224.1 2607:f740:e00a:deec::2	ns2.desec.org ns2.desec.org	AS36217 NetActuate, Inc AS36217 NetActuate, Inc

🌍 A Records

🌍

No A records found

📧 MX Records7 records 63ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	21600s	aspmx.l.google.com	142.250.147.26 2a00:1450:4025:c03::1b	rd-in-f26.1e100.net rc-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	21600s	alt1.aspmx.l.google.com	192.178.211.26 2404:6800:4000:1025::1b	lcbomp-in-f26.1e100.net lcbomp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	21600s	alt2.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1a	so-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
40	21600s	aspmx2.googlemail.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
40	21600s	aspmx3.googlemail.com	172.253.158.27 2404:6800:4003:c26::1b	so-in-f27.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
40	21600s	aspmx4.googlemail.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
40	21600s	aspmx5.googlemail.com	108.177.125.27 2404:6800:4008:c01::1a	tp-in-f27.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	linux-hacker.dk
🔶 Autoconfig	linux-hacker.dk

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 375ms

TXT Record
v=spf1 include:aspmx.googlemail.com -all

✉️ SPF

Policy	Record (linux-hacker.dk)
-all (hard fail)	v=spf1 include:aspmx.googlemail.com -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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.linux-hacker.dk	linux-hacker.dk

🔗 TLSA / DANE

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

🔐 DNSSEC273ms

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

🏷️ SOA0ms

Field	Value
Serial	2022024556
Primary NS (MNAME)	get.desec.io
Responsible (RNAME)	get@desec.io
Refresh	86400s
Retry	3600s
Expire	2419200s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

88ms

A

123ms

MX

63ms

AAAA

117ms

TXT

375ms

CAA

118ms

HTTPS

107ms

TLSA

179ms

SOA

0ms

MTA-STS

116ms

DNSSEC

273ms

SRV

277ms

Total

9717ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 14:09:35	1994ms	2 NS 0 A 7 MX	🔒 Secure	View
2026-08-21 03:03:42	3811ms	2 NS 0 A 7 MX	🔒 Secure	View
2026-08-14 00:03:19	3792ms	2 NS 0 A 7 MX	🔒 Secure	View
2026-08-07 07:33:25	1622ms	2 NS 0 A 7 MX	🔒 Secure	View
2026-07-31 17:04:41	1688ms	2 NS 0 A 7 MX	🔒 Secure	View
2026-07-23 21:55:14	10548ms	2 NS 0 A 7 MX	🔒 Secure	View
2026-07-18 06:22:18	4876ms	2 NS 0 A 7 MX	🔒 Secure	View
2026-07-11 21:05:14	9717ms	2 NS 0 A 7 MX	🔒 Secure	View
2026-07-02 18:48:32	1154ms	2 NS 0 A 7 MX	🔒 Secure	View
2026-06-27 13:46:09	3432ms	2 NS 0 A 7 MX	🔒 Secure	View
2026-06-27 05:58:12	996ms	2 NS 0 A 7 MX	🔒 Secure	View
2026-06-18 19:24:10	2571ms	2 NS 0 A 7 MX	🔒 Secure	View
2026-06-17 19:33:50	1368ms	2 NS 0 A 7 MX	🔒 Secure	View