kobu.dk DNS records

🖥️ Nameservers3 records 96ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.azehosting.net	2a01:4f8:13b:3146::1 94.130.138.185	— ns1.azehosting.net	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns2.azehosting.net	2a01:4f8:c17:5f0a::2 88.99.15.5	ns2.azehosting.net ns2.azehosting.net	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns3.azehosting.net	2a01:4f8:c17:6a6e::2 88.99.39.181	ns3.azehosting.net ns3.azehosting.net	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🌍 A Records1 records 93ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
157.90.67.40	3600s	cp01.azehosting.net	AS24940	Hetzner Online GmbH	157.90.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records1 records 99ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	kobu-dk.mail.protection.outlook.com	2a01:111:f403:ca04::b 2a01:111:f403:ca09::d 2a01:111:f403:ca38::8 2a01:111:f403:ca48::c 52.101.103.140 52.101.68.16 52.101.68.5 52.101.73.24	mail-dbbpr03cu00103.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-as8pr05cu00300.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 → 40.104.116.56
🔶 Autoconfig	157.90.67.40

🔷 AAAA Records (IPv6)1 records 134ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:4f8:2b02:6d4::2	3600s	cp01.azehosting.net	AS24940	Hetzner Online GmbH	2a01:4f8:0:0:0:0:0:0/31	🇩🇪 Germany	Falkenstein

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 205ms

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

📝 TXT Records2 records 500ms

TXT Record
MS=ms10887401
v=spf1 ip4:157.90.67.40 include:spf.azehosting.net include:_spf.mailersend.net ip4:49.12.83.57 +a +mx +ip4:185.221.37.139 +include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (kobu.dk)
-all (hard fail)	v=spf1 ip4:157.90.67.40 include:spf.azehosting.net include:_spf.mailersend.net ip4:49.12.83.57 +a +mx +ip4:185.221.37.139 +include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.kobu.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.kobu.dk	Ts4bAZUaVyxXsbv7ijGPOSEnmXOaC-ejAqykTHmwGsI

🔗 TLSA / DANE

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

🔐 DNSSEC320ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2026083103
Primary NS (MNAME)	ns1.azehosting.net
Responsible (RNAME)	server-admin@azehosting.net
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

96ms

A

93ms

MX

99ms

AAAA

134ms

TXT

500ms

CAA

164ms

HTTPS

135ms

TLSA

480ms

SOA

0ms

MTA-STS

148ms

DNSSEC

320ms

SRV

205ms

Total

2439ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 13:16:54	2439ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-30 01:15:27	1642ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-28 14:54:49	1071ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-27 14:02:58	1305ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-26 16:01:31	1148ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-25 09:38:53	9025ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-24 09:18:15	2243ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-22 23:16:51	2511ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-21 23:10:10	1436ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-20 22:47:42	11675ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-19 17:57:19	2274ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-18 17:54:25	1473ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-17 14:23:08	5544ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-16 03:32:55	4705ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-14 23:00:37	7559ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-13 05:19:44	2299ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-12 02:49:33	9713ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-11 02:25:02	4259ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-09 02:17:54	10253ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-08 00:33:48	1331ms	3 NS 1 A 1 MX	❓ Unknown	View
2026-07-31 17:51:09	1848ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-07-27 22:36:09	1845ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-07-26 22:14:11	1338ms	3 NS 1 A 1 MX	❓ Unknown	View
2026-07-25 21:57:40	1398ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-07-24 21:04:41	1978ms	3 NS 1 A 1 MX	🔓 Insecure	View