birkmann.dk DNS records

🖥️ Nameservers2 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 Records1 records 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.147.82.112	3600s	—	AS9158	Telenor A/S	94.144.0.0/13	🇩🇰 Denmark	Frederikssund

📧 MX Records6 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	aspmx.l.google.com	173.194.222.26 2a00:1450:4010:c07::1b 2a00:1450:4010:c07::1b	lo-in-f26.1e100.net lf-in-x1b.1e100.net lf-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
20	3600s	alt1.aspmx.l.google.com	192.178.211.26 2404:6800:4013:813::1a	lcbomp-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	3600s	alt2.aspmx.l.google.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
30	3600s	aspmx2.googlemail.com	192.178.158.27 2404:6800:4000:1025::1a	lcdels-in-f27.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	3600s	aspmx4.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
30	3600s	aspmx5.googlemail.com	192.178.230.27 2404:6800:400b:c01b::1b	yunrtab-in-f27.1e100.net yunrtab-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	hbdk.synology.me → 62.66.198.226
🔶 Autoconfig	hbdk.synology.me

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 796ms

TXT Record
v=spf1 include:_spf.google.com include:_custspf.one.com ~all

✉️ SPF

Policy	Record (birkmann.dk)
~all (soft fail)	v=spf1 include:_spf.google.com include:_custspf.one.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.birkmann.dk	hbdk.synology.me

🔗 TLSA / DANE

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

🔐 DNSSEC92ms

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

🏷️ SOA32ms

Field	Value
Serial	2026061301
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

33ms

A

34ms

MX

34ms

AAAA

62ms

TXT

796ms

CAA

71ms

HTTPS

32ms

TLSA

525ms

SOA

32ms

MTA-STS

511ms

DNSSEC

92ms

SRV

1176ms

Total

2258ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 16:50:11	1473ms	2 NS 1 A 6 MX	🔒 Secure	View
2026-08-15 05:49:58	1954ms	2 NS 1 A 6 MX	🔒 Secure	View
2026-08-08 01:42:24	1797ms	2 NS 1 A 6 MX	🔒 Secure	View
2026-07-14 16:53:02	2038ms	2 NS 1 A 6 MX	🔒 Secure	View
2026-06-28 08:42:11	1351ms	2 NS 1 A 6 MX	🔒 Secure	View
2026-06-26 02:41:56	2258ms	2 NS 1 A 6 MX	🔒 Secure	View
2026-06-16 14:47:58	1857ms	2 NS 1 A 6 MX	⚠️ Bogus	View
2026-06-16 14:40:08	1763ms	2 NS 1 A 6 MX	🔒 Secure	View