sekura.dk

📜 Historical scan 2026-06-21 11:38:52 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sekura.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 25 October 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 198.202.211.1 is hosted by Cloudflare London, LLC (AS209242) in United States. Mail is handled by sekura-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 35ms

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 Records#

1 records 68ms

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 Records#

1 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	sekura-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::4 2a01:111:f403:ca09::2 2a01:111:f403:ca09::f 52.101.68.15 52.101.68.39 52.101.68.8 52.101.73.4	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-du0pr03cu00100.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 → 40.104.116.24

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 130ms

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

📝 TXT Records#

5 records 178ms

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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-15 05:41:53

www CNAME	cdn.webflow.com (all on webflow.com) → 198.202.211.1 2620:cb:2000::1 (AS13335 AS209242)
www vs bare domain	Same network sekura.dk: 198.202.211.1 (AS209242) www.sekura.dk: 198.202.211.1 2620:cb:2000::1 (AS13335 AS209242)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-sekura-dk._domainkey.sekuracabins.onmicrosoft.com	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

106ms

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

🏷️ SOA#

52ms

Field	Value
Serial	2026061601
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-10 22:56:15

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2007-10-25
Expires	2026-10-31 (5d)

📋 WHOIS#

⏱️ Lookup Timing#

35ms

68ms

34ms

AAAA

34ms

TXT

178ms

CAA

70ms

HTTPS

75ms

TLSA

661ms

SOA

52ms

MTA-STS

117ms

DNSSEC

106ms

SRV

130ms

Total

1113ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 05:41:53	1770ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-10 22:15:49	1793ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 13:10:58	1642ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-27 13:32:41	1081ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-13 21:49:56	1702ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-11 19:20:21	2671ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 16:34:16	1498ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 11:38:52 shown	1113ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 05:16:05	1140ms	2 NS 1 A 1 MX	🔒 Secure