mathiashoffmann.dk
Last scanned: 2026-08-28 10:32:23  ·  1411ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   79ms
NameserverIP addressesPTRASN / ISP
ns1.stackdns.com 35.197.225.59 59.225.197.35.bc.googleusercontent.com AS396982 Google LLC
ns2.stackdns.com 146.148.28.88 88.28.148.146.bc.googleusercontent.com AS396982 Google LLC
ns3.stackdns.com 35.198.79.191 191.79.198.35.bc.googleusercontent.com AS396982 Google LLC
ns4.stackdns.com 104.196.137.209 209.137.196.104.bc.googleusercontent.com AS396982 Google LLC
🌍 A Records1 records   150ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.151.30.169 3600s 185-151-30-169.ptr4.stackcp.net AS48254 20i Limited 185.151.28.0/22 🇬🇧 United Kingdom —
📧 MX Records2 records   139ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s 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 3600s 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
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverautodiscover.stackmail.com → 45.8.227.100
🔶 Autoconfig185.151.30.169
🔷 AAAA Records (IPv6)1 records   69ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a07:7800::169 3600s — AS48254 20i Limited 2a07:7800:0:0:0:0:0:0/46 🇬🇧 United Kingdom —
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   457ms
TXT Record
protonmail-verification=7c0274717dd14d762e266ddac6dcfdd2cbde0001
v=spf1 include:_spf.protonmail.ch ~all
✉️ SPF
PolicyRecord (mathiashoffmann.dk)
~all (soft fail) v=spf1 include:_spf.protonmail.ch ~all
📨 DMARC
PolicyRecord (_dmarc.mathiashoffmann.dk)
p=none (monitor only) v=DMARC1;p=none;sp=none;adkim=r;aspf=r;pct=100;rf=afrf;ri=86400
📬 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   208ms
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 76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch DANE-EE · SPKI · SHA-256 6111A5698D23C89E09C36FF833C1487E…
🔐 DNSSEC187ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial1768556966
Primary NS (MNAME)ns1.stackdns.com
Responsible (RNAME)hostmaster@stackdns.com
Refresh1800s
Retry900s
Expire1209600s
Minimum (neg-cache TTL)300s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
79ms
A
150ms
MX
139ms
AAAA
69ms
TXT
457ms
CAA
172ms
HTTPS
170ms
TLSA
208ms
SOA
0ms
MTA-STS
120ms
DNSSEC
187ms
SRV
234ms
Total
1411ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 10:32:23 1411ms 4 NS 1 A 2 MX 🔓 Insecure View
2026-06-26 00:27:12 1168ms 4 NS 1 A 2 MX 🔓 Insecure View
2026-06-17 21:30:17 913ms 4 NS 1 A 2 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone