firstfrontier.dk
📜 Historical scan 2026-06-17 09:23:31  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   91ms
NameserverIP addressesPTRASN / ISP
ns5.chosting.dk — — —
ns6.chosting.dk — — —
ns7.chosting.dk — — —
🌍 A Records4 records   69ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.199.108.153 — cdn-185-199-108-153.github.com AS54113 Fastly, Inc. 185.199.108.0/22 🇺🇸 United States —
185.199.109.153 — cdn-185-199-109-153.github.com AS54113 Fastly, Inc. 185.199.108.0/22 🇺🇸 United States —
185.199.110.153 — cdn-185-199-110-153.github.com AS54113 Fastly, Inc. 185.199.108.0/22 🇺🇸 United States —
185.199.111.153 — cdn-185-199-111-153.github.com AS54113 Fastly, Inc. 185.199.108.0/22 🇺🇸 United States —
📧 MX Records2 records   80ms
PriorityTTLMail ServerIP addressesPTRASN
10 — mail.protonmail.ch 176.119.200.128
185.205.70.128
185.70.42.128		 mail.protonmail.ch
mail.protonmail.ch
mail.protonmail.ch		 AS62371 Proton AG
AS62371 Proton AG
AS62371 Proton AG
20 — mailsec.protonmail.ch 176.119.200.129
185.205.70.129
185.70.42.129		 mailsec.protonmail.ch
mailsec.protonmail.ch
mailsec.protonmail.ch		 AS62371 Proton AG
AS62371 Proton AG
AS62371 Proton AG
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   162ms
TXT Record
protonmail-verification=68d8660a6908b776e8c6f2aabc99672df005059e
v=spf1 include:_spf.protonmail.ch mx ~all
✉️ SPF
PolicyRecord (firstfrontier.dk)
~all (soft fail) v=spf1 include:_spf.protonmail.ch mx ~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
🔗 TLSA / DANE4 records   123ms
Service / OwnerTypeCert association
SMTP _25._tcp.mail.protonmail.ch DANE-EE · SPKI · SHA-256 6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mail.protonmail.ch DANE-EE · SPKI · SHA-256 76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch DANE-EE · SPKI · SHA-256 6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch DANE-EE · SPKI · SHA-256 76BB66711DA416433CA890A5B2E5A053…
🔐 DNSSEC173ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA84ms
FieldValue
Serial2025102000
Primary NS (MNAME)ns5.chosting.dk
Responsible (RNAME)logs@chosting.dk
Refresh3600s
Retry1800s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
91ms
A
69ms
MX
80ms
AAAA
84ms
TXT
162ms
CAA
100ms
HTTPS
78ms
TLSA
123ms
SOA
84ms
MTA-STS
127ms
DNSSEC
173ms
SRV
0ms
Total
1243ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-25 02:23:32 957ms 3 NS 4 A 2 MX 🔓 Insecure View
2026-06-17 09:23:31 1243ms 3 NS 4 A 2 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone