bibliotheca.dk DNS records

🖥️ Nameservers2 records 25ms

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 25ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.176	3600s	webcluster2.webpod14-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records4 records 28ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	1980s	mx1.pub.mailpod4-cph3.one.com	185.164.14.38	mx1.pub.mailpod4-cph3.one.com	AS51468 One.com A/S
10	1980s	mx2.pub.mailpod4-cph3.one.com	185.164.14.39	mx2.pub.mailpod4-cph3.one.com	AS51468 One.com A/S
10	1980s	mx3.pub.mailpod4-cph3.one.com	185.164.14.40	mx3.pub.mailpod4-cph3.one.com	AS51468 One.com A/S
100	1980s	support.bibliotheca.dk	35.153.10.135	ec2-35-153-10-135.compute-1.amazonaws.com	AS14618 Amazon.com, Inc.

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	46.30.213.176
🔶 Autoconfig	46.30.213.176

🔷 AAAA Records (IPv6)1 records 28ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10c:8087:e65b:c3bd:118b	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 Records13 records 137ms

TXT Record
46a7jelutet1k8nthsqvspoq2v
6FD65AF3286493398B2101B7AD4099DC07F5A1082FD034237A2406C3446CD7EF
7qejppsf04bvoe9f4cj9r1krco
bhg3saf3tuep997njqf6fi5rju
d4iaj1u0sfvb4p68q8ijdit8vt
fhhqvv01kf27eq46jo82l6d3i8
gbqu7nmuttb8ffmre6pq9sh49j
gkt4aq0lgsdokv31t8av5viqfq
lv6llgvql2gbf4dpd6c6tgeugf
MS=ms53743413
ockq8djtftb4475jg7s5r8rn7j
sj8ukp0sa0rsca6iec52htl25m
v=spf1 mx a:send.one.com include:sendgrid.net a:support.bibliotheca.dk ~all

✉️ SPF

Policy	Record (bibliotheca.dk)
~all (soft fail)	v=spf1 mx a:send.one.com include:sendgrid.net a:support.bibliotheca.dk ~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

🔗 TLSA / DANE3 records 69ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod4-cph3.one.com	DANE-EE · SPKI · SHA-256	DE4E16A98E12EC166733B8CBCDB9940A…
SMTP _25._tcp.mx2.pub.mailpod4-cph3.one.com	DANE-EE · SPKI · SHA-256	DE4E16A98E12EC166733B8CBCDB9940A…
SMTP _25._tcp.mx3.pub.mailpod4-cph3.one.com	DANE-EE · SPKI · SHA-256	DE4E16A98E12EC166733B8CBCDB9940A…

🔐 DNSSEC91ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082502
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

25ms

A

25ms

MX

28ms

AAAA

28ms

TXT

137ms

CAA

30ms

HTTPS

26ms

TLSA

69ms

SOA

0ms

MTA-STS

39ms

DNSSEC

91ms

SRV

47ms

Total

767ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 23:43:42	767ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-18 01:46:57	1121ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-23 01:22:32	3292ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-22 22:01:57	1188ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 06:37:47	1177ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-19 08:58:22	1279ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-16 14:28:18	796ms	2 NS 1 A 4 MX	🔒 Secure	View