cepsuku.dk DNS records

🖥️ Nameservers2 records 53ms

Nameserver	IP addresses	PTR	ASN / ISP
ns61.domaincontrol.com	2603:5:2153::20 97.74.101.32	ns61.domaincontrol.com ns61.domaincontrol.com	AS44273 Host Europe GmbH AS44273 Host Europe GmbH
ns62.domaincontrol.com	173.201.69.32 2603:5:2253::20	ns62.domaincontrol.com ns62.domaincontrol.com	AS44273 Host Europe GmbH AS44273 Host Europe GmbH

🌍 A Records1 records 81ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
198.202.211.1	3600s	—	AS209242	Cloudflare London, LLC	198.202.211.0/24	🇺🇸 United States	—

📧 MX Records1 records 57ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	cepsuku-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca09::24 2a01:111:f403:ca09::3 2a01:111:f403:ca48::8 52.101.103.137 52.101.103.140 52.101.68.32 52.101.68.8	mail-db7pr03cu00601.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-du0pr03cu00100.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)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 137ms

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

📝 TXT Records2 records 353ms

TXT Record
NETORG19337202.onmicrosoft.com
v=spf1 include:secureserver.net -all

✉️ SPF

Policy	Record (cepsuku.dk)
-all (hard fail)	v=spf1 include:secureserver.net -all

📨 DMARC

Policy	Record (_dmarc.cepsuku.dk)
p=reject	v=DMARC1; p=reject; adkim=r; aspf=r; rua=mailto:dmarc_rua@onsecureserver.net;

📬 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)

🔐 DNSSEC104ms

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	2025080300
Primary NS (MNAME)	ns61.domaincontrol.com
Responsible (RNAME)	dns@jomax.net
Refresh	28800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

53ms

A

81ms

MX

57ms

AAAA

62ms

TXT

353ms

CAA

95ms

HTTPS

60ms

TLSA

1669ms

SOA

0ms

MTA-STS

97ms

DNSSEC

104ms

SRV

137ms

Total

2441ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-04 18:35:30	2441ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-31 10:48:09	2580ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-27 17:57:34	2834ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-25 01:42:56	3082ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-24 21:43:40	1138ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-24 12:19:19	1174ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 13:31:35	3762ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 20:06:25	2598ms	2 NS 1 A 1 MX	🔓 Insecure	View