coselo.dk DNS records

🖥️ Nameservers2 records 52ms

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 65ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.189	3600s	webcluster2.webpod14-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 49ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	coselo-dk.mail.protection.outlook.com	2a01:111:f403:ca04::c 2a01:111:f403:ca09::3 2a01:111:f403:ca09::4 2a01:111:f403:ca38::8 52.101.209.153 52.101.68.10 52.101.68.15 52.101.73.2	mail-db9pr02cu00204.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-as9pr07cu00302.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 → 40.104.116.8

🔷 AAAA Records (IPv6)1 records 46ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10c:80ec:466c:6831:9257	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

🔌 SRV Records1 records 165ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records2 records 199ms

TXT Record
MS=ms44522579
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (coselo.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.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

🔗 TLSA / DANE

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

🔐 DNSSEC124ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082101
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

52ms

A

65ms

MX

49ms

AAAA

46ms

TXT

199ms

CAA

45ms

HTTPS

60ms

TLSA

313ms

SOA

0ms

MTA-STS

84ms

DNSSEC

124ms

SRV

165ms

Total

1051ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 08:07:43	1051ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-21 15:41:43	6538ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-18 14:21:31	3820ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-23 01:41:34	9028ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-15 09:52:12	9222ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 14:33:26	1404ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 04:13:47	922ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 00:19:08	1483ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 22:40:34	1998ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 22:30:43	658ms	2 NS 1 A 1 MX	🔒 Secure	View