sekura.dk DNS records

🖥️ Nameservers2 records 37ms

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 64ms

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 53ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	sekura-dk.mail.protection.outlook.com	2a01:111:f403:ca09:: 2a01:111:f403:ca09::1 2a01:111:f403:ca09::4 2a01:111:f403:ca09::b 52.101.68.16 52.101.73.11 52.101.73.30 52.101.73.4	mail-am3pr04cu00500.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am7pr05cu00306.inbound.protection.outlook.com mail-am0pr83cu00404.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 73ms

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

📝 TXT Records5 records 196ms

TXT Record
_globalsign-domain-verification=-j-C5MBknWEgZ-vJ5tuAzKzOu7sEB4gU4V6XJRXMKJ
_globalsign-domain-verification=v2nTZuBSNqGKCMrxrpB6fqnyT7H2fGdtZBP5uZZSMP
MS=ms23412401
pBE73Wq+S+yJsirNVDp0RyVYp/dw57KLSrcGcjKt1TcILssGzFbTC3QkykZwdWBXMBEWzclG6lq01zszbSjOcA==
v=spf1 a include:emsd1.com include:_spf.google.com include:spf.protection.outlook.com ip4:148.171.1.1 ip4:195.41.178.0/24 ip4:217.198.214.42 -all

✉️ SPF

Policy	Record (sekura.dk)
-all (hard fail)	v=spf1 a include:emsd1.com include:_spf.google.com include:spf.protection.outlook.com ip4:148.171.1.1 ip4:195.41.178.0/24 ip4:217.198.214.42 -all

📨 DMARC

Policy	Record (_dmarc.sekura.dk)
p=quarantine	v=DMARC1; p=quarantine; sp=reject; ruf=mailto:administrator@sekura.dk; rua=mailto:administrator@sekura.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)

🔐 DNSSEC92ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081005
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

37ms

A

64ms

MX

53ms

AAAA

53ms

TXT

196ms

CAA

64ms

HTTPS

55ms

TLSA

1581ms

SOA

0ms

MTA-STS

76ms

DNSSEC

92ms

SRV

73ms

Total

2671ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-11 19:20:21	2671ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 16:34:16	1498ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 11:38:52	1113ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 05:16:05	1140ms	2 NS 1 A 1 MX	🔒 Secure	View