cois.dk DNS records

🖥️ Nameservers2 records 268ms

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 251ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.190	3600s	webcluster2.webpod14-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 252ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	10800s	cois-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca09::3 2a01:111:f403:ca09::6 2a01:111:f403:ca09::d 52.101.68.18 52.101.73.16 52.101.73.19 52.101.73.8	mail-du0pr03cu00102.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-am0pr04cu00500.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 250ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10c:80f0:f17f:c19:6266	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 Records2 records 409ms

TXT Record
MS=ms67713276
v=spf1 include:_custspf.one.com include:spf.protection.outlook.com ~all

✉️ SPF

Policy	Record (cois.dk)
~all (soft fail)	v=spf1 include:_custspf.one.com include:spf.protection.outlook.com ~all

📨 DMARC

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

🔗 TLSA / DANE

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

🔐 DNSSEC374ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081402
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

268ms

A

251ms

MX

252ms

AAAA

250ms

TXT

409ms

CAA

235ms

HTTPS

277ms

TLSA

678ms

SOA

0ms

MTA-STS

277ms

DNSSEC

374ms

SRV

303ms

Total

3982ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-15 04:27:13	3982ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-08 05:18:45	5607ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-04 07:19:42	6601ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-09 00:04:02	2168ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-01 23:55:37	856ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 21:45:48	1059ms	2 NS 1 A 1 MX	🔒 Secure	View