sekka.dk DNS records

🖥️ Nameservers2 records 45ms

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 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.103.157	3600s	linux141.unoeuro.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records1 records 71ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	sekka-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::6 2a01:111:f403:ca09::4 2a01:111:f403:ca48::a 52.101.68.0 52.101.68.32 52.101.73.12 52.101.73.30	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db4pr02cu00406.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-am7pr05cu00306.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 → 40.104.116.40

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 89ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records3 records 203ms

TXT Record
google-site-verification=liYVdAUbz7pVZ0LTULgr4jgEgFResvcT6rIeDmgMs_M
MS=ms57848911
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (sekka.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)

🔐 DNSSEC128ms

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

🏷️ SOA0ms

Field	Value
Serial	2026030501
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

45ms

A

45ms

MX

71ms

AAAA

45ms

TXT

203ms

CAA

57ms

HTTPS

74ms

TLSA

328ms

SOA

0ms

MTA-STS

64ms

DNSSEC

128ms

SRV

89ms

Total

986ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 04:05:43	986ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-10 13:35:48	5459ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 06:26:31	885ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 04:54:36	1313ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 13:59:05	2546ms	2 NS 1 A 1 MX	🔒 Secure	View