frontier.dk

📜 Historical scan 2026-10-01 17:24:12 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

frontier.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 15 August 1995 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 157.245.22.188 is hosted by DigitalOcean, LLC (AS14061) in Germany. Mail is handled by frontier-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no 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 42ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.dandomain.dk	185.25.141.3 2a02:2339:4006:109::dd	ns.dandomain.dk ns.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.dandomain.dk	2a02:2339:1:108::dd:dd 91.197.248.66	ns2.dandomain.dk ns2.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 106ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
157.245.22.188	360s	—	AS14061	DigitalOcean, LLC	157.245.0.0/16	🇩🇪 Germany	Frankfurt am Main

📧 MX Records#

1 records 124ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	frontier-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca04::d 2a01:111:f403:ca09::a 2a01:111:f403:ca48::c 52.101.185.24 52.101.68.15 52.101.73.153 52.101.73.155	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-zrxpr07cu00100.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-am7pr02cu00203.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 → 52.98.154.136

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

5 records 366ms

TXT Record
anthropic-domain-verification-vcs8k3=E7HEHDcQ7tvUytLkn0Jj9Gtl9
apple-domain-verification=JovfbwmQhyofi0OA
MS=ms28849012
openai-domain-verification=dv-la8qmhnIJu9nt8wvChYf69v0
v=spf1 include:spf.protection.outlook.com ~all

✉️ SPF#

Policy	Record (frontier.dk)
~all (soft 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-07 17:55:29

www CNAME	frontier.dk (all on frontier.dk) → 157.245.22.188 (AS14061)
www vs bare domain	Same network frontier.dk: 157.245.22.188 (AS14061) www.frontier.dk: 157.245.22.188 (AS14061)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

3 found

Selector	CNAME	Key
s1	s1.domainkey.u14191869.wl120.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u14191869.wl120.sendgrid.net	RSA · ~1024 bit below 2048 bit
selector1	selector1-frontier-dk._domainkey.fimdk.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: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

277ms

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

🏷️ SOA#

75ms

Field	Value
Serial	2026093001
Primary NS (MNAME)	ns.dandomain.dk
Responsible (RNAME)	hostmaster@dandomain.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-01 17:58:09

Field	Value
Registrar	DANDOMAIN A/S
Registered	1995-08-15
Expires	2027-09-30 (346d)

📋 WHOIS#

⏱️ Lookup Timing#

42ms

106ms

124ms

AAAA

194ms

TXT

366ms

CAA

119ms

HTTPS

99ms

TLSA

1097ms

SOA

75ms

MTA-STS

170ms

DNSSEC

277ms

SRV

183ms

Total

2354ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 17:55:29	1017ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 17:24:12 shown	2354ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 20:34:16	1326ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-27 02:11:52	741ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 13:59:11	1207ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-19 19:18:08	836ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 09:23:52	995ms	2 NS 1 A 1 MX	🔒 Secure