frontdoorsecurity.dk

Records from scan: 2026-10-24 17:34:26 · 524ms total · last checked 2026-10-26 12:03 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

frontdoorsecurity.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 5 July 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.213.172 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by frontdoorsecurity-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 51ms

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 40ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.172	3600s	webcluster2.webpod14-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 29ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	frontdoorsecurity-dk.mail.protection.outlook.com	2a01:111:f403:ca04::c 2a01:111:f403:ca04::e 2a01:111:f403:ca21::c 2a01:111:f403:ca3c::a 52.101.181.156 52.101.209.28 52.101.68.29 52.101.91.21	mail-db9pr02cu00204.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-matpr04cu00204.inbound.protection.outlook.com mail-zrxpr07cu00102.inbound.protection.outlook.com mail-wa4pr05cu00104.inbound.protection.outlook.com mail-cpjpr05cu00104.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-matpr05cu00105.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 → 52.98.149.136

🔷 AAAA Records (IPv6)#

1 records 36ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10c:8065:3d7:eca8:80ed	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 81ms

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

📝 TXT Records#

2 records 159ms

TXT Record
MS=ms80210387
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (frontdoorsecurity.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.frontdoorsecurity.dk)
p=reject	v=DMARC1; p=reject; pct=100;

📬 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#

checked 2026-10-24 17:34:26

www	46.30.213.172 2a02:2350:5:10c:8065:3d7:eca8:80ed (AS51468) (address records, no CNAME)
www vs bare domain	Same network frontdoorsecurity.dk: 46.30.213.172 2a02:2350:5:10c:8065:3d7:eca8:80ed (AS51468) www.frontdoorsecurity.dk: 46.30.213.172 2a02:2350:5:10c:8065:3d7:eca8:80ed (AS51468)
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-frontdoorsecurity-dk._domainkey.frontdoorsecuritydk.onmicrosoft.com	RSA · ~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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

49ms

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

🏷️ SOA#

33ms

Field	Value
Serial	2026102302
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 2026-10-24 18:04:13

Field	Value
Registrar	ONE.COM A/S
Registered	2023-07-05
Expires	2027-07-04 (249d)

🔗 Same registrant#

3 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
simplythebesttina.dk	ONE.COM A/S
simplythebesttribute.dk	ONE.COM A/S
standardsecurity.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

51ms

40ms

29ms

AAAA

36ms

TXT

159ms

CAA

41ms

HTTPS

39ms

TLSA

78ms

SOA

33ms

MTA-STS

45ms

DNSSEC

49ms

SRV

81ms

Total

524ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-24 17:34:26 shown	524ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-16 04:17:56	1307ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-27 22:04:19	1506ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-16 11:36:16	3419ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-09 10:23:33	732ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-25 02:46:18	11896ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-24 01:07:43	1332ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-16 15:57:18	5700ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-16 08:47:10	1361ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 05:09:16	947ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 09:35:24	934ms	2 NS 1 A 1 MX	🔒 Secure