undertegnede.dk
📜 Historical scan 2026-06-17 23:43:27  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   785ms
NameserverIP addressesPTRASN / ISP
ns1.dns.services 195.242.131.6
2001:67c:564:ffff::11		 ns1.dns.services
ns1.dns.services		 AS62121 Christian Ebsen ApS
AS62121 Christian Ebsen ApS
ns2.dns.services 2a00:1b18:2:3:3::2
62.69.152.37		 ns2.dns.services
37.34-46.152.69.62.in-addr.arpa		 AS47527 DLX A/S
AS47527 DLX A/S
ns3.dns.services 185.55.197.53 ns3.dns.services AS60153 Inpadi ApS
🌍 A Records1 records   985ms
IPTTLPTRASNISP / OrgCIDRCountryCity
80.165.136.150 — 80-165-136-150-dynamic.dk.customer.tdc.net AS3292 TDC Holding A/S 80.160.0.0/13 🇩🇰 Denmark Vipperød
📧 MX Records2 records   2060ms
PriorityTTLMail ServerIP addressesPTRASN
10 — mx1.forwardemail.net 121.127.44.56
138.197.213.185
2604:a880:2:d0::306:1
2a02:6ea0:d71e::2		 mx1.forwardemail.net
mx1.forwardemail.net
mx1.forwardemail.net
mx1.forwardemail.net		 AS60068 Datacamp Limited
AS14061 DigitalOcean, LLC
AS14061 DigitalOcean, LLC
AS60068 Datacamp Limited
20 — mx2.forwardemail.net 104.248.224.170
121.127.44.59
2604:a880:400:d1::cd:9001
2a02:6ea0:d71e::1		 mx2.forwardemail.net
mx2.forwardemail.net
mx2.forwardemail.net
mx2.forwardemail.net		 AS14061 DigitalOcean, LLC
AS60068 Datacamp Limited
AS14061 DigitalOcean, LLC
AS60068 Datacamp Limited
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverundertegnede.dk → 80.165.136.150
🔶 Autoconfigundertegnede.dk → 80.165.136.150
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   2381ms
TXT Record
forward-email=thomas:th.undertegnede@gmail.com
v=spf1 a mx include:spf.forwardemail.net ~all
✉️ SPF
PolicyRecord (undertegnede.dk)
~all (soft fail) v=spf1 a mx include:spf.forwardemail.net ~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 / DANE2 records   876ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.forwardemail.net DANE-EE · SPKI · SHA-256 5E81DA1AF16DF20B13E667AD6D9C2B65…
SMTP _25._tcp.mx2.forwardemail.net DANE-EE · SPKI · SHA-256 5E81DA1AF16DF20B13E667AD6D9C2B65…
🔐 DNSSEC2627ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA774ms
FieldValue
Serial2022072810
Primary NS (MNAME)ns1.dns.services
Responsible (RNAME)post@dns.services
Refresh10800s
Retry3600s
Expire1814400s
Minimum (neg-cache TTL)7200s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
785ms
A
985ms
MX
2060ms
AAAA
1090ms
TXT
2381ms
CAA
2046ms
HTTPS
1001ms
TLSA
876ms
SOA
774ms
MTA-STS
1017ms
DNSSEC
2627ms
SRV
2044ms
Total
16943ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-25 19:24:31 4188ms 3 NS 1 A 2 MX 🔒 Secure View
2026-06-18 00:06:23 13451ms 3 NS 1 A 2 MX 🔒 Secure View
2026-06-17 23:43:27 16943ms 3 NS 1 A 2 MX 🔒 Secure View
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