frontier.dk

Records from scan: 2026-10-07 17:55:29  ·  1017ms total  ·  last checked 2026-10-18 12:38 (unchanged)
⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   31ms

🌍 A Records#

1 records   32ms

📧 MX Records#

1 records   33ms

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 52.98.149.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

5 records   113ms
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#

PolicyRecord (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#

checked 2026-10-07 17:55:29
www CNAMEfrontier.dk (all on frontier.dk)
www vs bare domainSame network
frontier.dk: 157.245.22.188 (AS14061)
www.frontier.dk: 157.245.22.188 (AS14061)
WildcardNo
Denial of existenceNSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

3 found
SelectorCNAMEKey
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#

64ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

43ms
FieldValue
Serial2026093001
Primary NS (MNAME)ns.dandomain.dk
Responsible (RNAME)hostmaster@dandomain.dk
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)300s

📋 Registration#

WHOIS fetched 2026-10-01 17:58:09
FieldValue
RegistrarDANDOMAIN A/S
Registered1995-08-15
Expires2027-09-30 (346d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
31ms
A
32ms
MX
33ms
AAAA
25ms
TXT
113ms
CAA
38ms
HTTPS
26ms
TLSA
631ms
SOA
43ms
MTA-STS
42ms
DNSSEC
64ms
SRV
40ms
Total
1017ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-07 17:55:29 shown 1017ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-01 17:24:12 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
dhd.dk [/] search Domains, Hosts & DNS — .dk zone