itbolig.dk DNS records

🖥️ Nameservers2 records 54ms

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 64ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.137.130.243	600s	—	AS48854	team.blue Denmark A/S	94.137.128.0/20	🇩🇰 Denmark	Aalborg

📧 MX Records3 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1-dk.centerasecurity.dk	128.76.60.167 128.76.60.187 89.233.19.127 89.233.19.127 89.233.19.188 89.233.19.188	mx6.centerasecurity.dk mx6.centerasecurity.dk 127.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk 188.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk	AS3292 TDC Holding A/S AS3292 TDC Holding A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S
10	3600s	mx2-dk.centerasecurity.dk	128.76.60.168 128.76.60.169 89.233.19.128 89.233.19.128 89.233.19.129 89.233.19.129	mx6.centerasecurity.dk mx6.centerasecurity.dk 128.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk 129.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk	AS3292 TDC Holding A/S AS3292 TDC Holding A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S
20	600s	mx3-dk.centerasecurity.dk	128.76.60.187 89.233.19.129 89.233.19.129	mx6.centerasecurity.dk 129.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk	AS3292 TDC Holding A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.40

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 82ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records10 records 209ms

TXT Record
_globalsign-domain-verification=AsW9ZC8SFYVNLGJX8yyz7U0TUoNdahDdIr0gdPghnw
7lc8ztVedd6ZUNuHMYbb7SUEoyWw1Pc+t7jPuL68CPtBr2G6kusJ+n7pRpxBzs2EzvpzRiJuz7dkm3o7J+Hp8A==
8qbjqkhu8855k4vdqfghuoml28
apple-domain-verification=XwuImKJhU7erHwy3
g1fcarhagm495cbc5i88i08v1u
gupnr6lqvuillfak38414e1rgi
k4utpg9ak5bn7ar8s0ejt26vul
MS=ms61798075
qNqfhY9ycAM3bTSN2Lce4a/TsV7f+zOtMVeO/6f4vuPMXOwtNfEFSbr1Unmv7Lbre5m4xofKfehmsOKZHBXLpA==
v=spf1 include:_spf51450.spfprotect.com -all

✉️ SPF

Policy	Record (itbolig.dk)
-all (hard fail)	v=spf1 include:_spf51450.spfprotect.com -all

📨 DMARC

Policy	Record (_dmarc.itbolig.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:65a8e66b5dbe3@dmarc-dk.centerasecurity.com;

📬 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 / DANE6 records 64ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	D4C349E7B72F5CF4A9CEA358F98947C2…
SMTP _25._tcp.mx1-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	56315B43B892E9AEE184919EC6A5821C…
SMTP _25._tcp.mx2-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	56315B43B892E9AEE184919EC6A5821C…
SMTP _25._tcp.mx2-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	D4C349E7B72F5CF4A9CEA358F98947C2…
SMTP _25._tcp.mx3-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	D4C349E7B72F5CF4A9CEA358F98947C2…
SMTP _25._tcp.mx3-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	56315B43B892E9AEE184919EC6A5821C…

🔐 DNSSEC89ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082401
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

54ms

A

64ms

MX

39ms

AAAA

44ms

TXT

209ms

CAA

48ms

HTTPS

46ms

TLSA

64ms

SOA

0ms

MTA-STS

80ms

DNSSEC

89ms

SRV

82ms

Total

908ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 03:07:32	908ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-08-24 23:30:56	8824ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-08-19 18:32:16	4607ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-25 17:35:08	9193ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-04 23:43:50	5588ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-03 08:52:48	1943ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-30 01:51:13	1012ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-25 10:37:12	4099ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-23 08:33:54	3595ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-22 17:49:55	924ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 04:38:13	1062ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 22:29:23	701ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-17 22:13:49	839ms	2 NS 1 A 3 MX	🔒 Secure	View