dotblue.dk

Records from scan: 2026-10-03 21:16:41 · 582ms total · last checked 2026-10-16 19:29 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dotblue.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 7 June 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.240.182 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by dotblue-dk.i-v1.mx.microsoft. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 34ms

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 Records#

1 records 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.111.240.182	3600s	webcluster55.webpod11-cph3.one.com	AS51468	One.com A/S	77.111.240.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	dotblue-dk.i-v1.mx.microsoft	2a01:111:f403:ca04::9 2a01:111:f403:ca09::24 2a01:111:f403:ca38::a 2a01:111:f403:ca3c::8 52.101.103.140 52.101.68.29 52.101.91.153 52.101.91.21	mail-db7pr03cu00601.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-wa4pr05cu00102.inbound.protection.outlook.com mail-zrxpr05cu00100.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-matpr04cu00101.inbound.protection.outlook.com mail-matpr05cu00105.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.149.136
🔶 Autoconfig	77.111.240.182

🔷 AAAA Records (IPv6)#

1 records 46ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:102:80b1:6b9:bd03:3f5f	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 Records#

2 records 163ms

TXT Record
MS=ms34292904
v=spf1 include:spf.protection.outlook.com include:_spf.simplero.com ~all

✉️ SPF#

Policy	Record (dotblue.dk)
~all (soft fail)	v=spf1 include:spf.protection.outlook.com include:_spf.simplero.com ~all

📨 DMARC#

Policy	Record (_dmarc.dotblue.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:web@dotblue.dk; ruf=mailto:web@dotblue.dk

📬 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

🧩 Web & zone#

checked 2026-10-12 07:24:23

www	77.111.240.182 2a02:2350:5:102:80b1:6b9:bd03:3f5f (AS51468) (address records, no CNAME)
www vs bare domain	Same network dotblue.dk: 77.111.240.182 2a02:2350:5:102:80b1:6b9:bd03:3f5f (AS51468) www.dotblue.dk: 77.111.240.182 2a02:2350:5:102:80b1:6b9:bd03:3f5f (AS51468)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

4 records 64ms

Service / Owner	Type	Cert association
SMTP _25._tcp.dotblue-dk.i-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	54883CC5F1849331E6BF5002C3129D20…
SMTP _25._tcp.dotblue-dk.i-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	EA7A25255D111FC3CE4CB8FABE3ADF9C…
SMTP _25._tcp.dotblue-dk.i-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	803F7447CC75B208DBCA042346F5D8DF…
SMTP _25._tcp.dotblue-dk.i-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	C1AD7778796D20BCA65C889A26550211…

🔐 DNSSEC#

65ms

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

🏷️ SOA#

50ms

Field	Value
Serial	2026100304
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-10 02:49:10

Field	Value
Registrar	ONE.COM A/S
Registered	2022-06-07
Expires	2029-06-06 (962d)

📋 WHOIS#

⏱️ Lookup Timing#

34ms

42ms

41ms

AAAA

46ms

TXT

163ms

CAA

48ms

HTTPS

52ms

TLSA

64ms

SOA

50ms

MTA-STS

54ms

DNSSEC

65ms

SRV

70ms

Total

582ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 21:16:41 shown	582ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 21:10:24	672ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 04:56:39	725ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 17:59:25	698ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-13 11:26:48	9168ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-06 13:18:23	1557ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 19:25:12	664ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 06:42:32	946ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 04:22:32	857ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 04:20:37	2793ms	2 NS 1 A 1 MX	🔒 Secure