cobio.dk DNS records

🖥️ Nameservers2 records 89ms

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 90ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.72.21.228	600s	typo310.t3hot.dk	AS3342	Cibicom A/S	178.72.16.0/21	🇩🇰 Denmark	—

📧 MX Records1 records 76ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	cobio-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca04::a 2a01:111:f403:ca09:: 2a01:111:f403:ca09::b 52.101.68.36 52.101.68.39 52.101.73.2 52.101.73.26	mail-db7pr03cu00601.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-as9pr05cu01302.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 → 40.104.116.24
🔶 Autoconfig	178.72.21.228

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 251ms

TXT Record
v=spf1 ip4:178.72.21.228 ip4:77.66.10.196 include:spf.protection.outlook.com include:mailmailmail.net -all

✉️ SPF

Policy	Record (cobio.dk)
-all (hard fail)	v=spf1 ip4:178.72.21.228 ip4:77.66.10.196 include:spf.protection.outlook.com include:mailmailmail.net -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)

🔐 DNSSEC149ms

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

🏷️ SOA99ms

Field	Value
Serial	2026080901
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

89ms

A

90ms

MX

76ms

AAAA

84ms

TXT

251ms

CAA

75ms

HTTPS

83ms

TLSA

804ms

SOA

99ms

MTA-STS

147ms

DNSSEC

149ms

SRV

123ms

Total

5973ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-19 04:36:53	5973ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-10 12:24:57	1318ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-16 15:51:25	17174ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-12 18:32:04	5369ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-11 07:38:25	5808ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-10 00:17:50	5918ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 00:27:55	1186ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 05:15:17	891ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 14:28:15	600ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-06-23 05:29:00	734ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 21:36:52	804ms	2 NS 1 A 1 MX	🔒 Secure	View