tao.dk
Last scanned: 2026-09-03 23:11:35  ·  2843ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers5 records   59ms
NameserverIP addressesPTRASN / ISP
ns1.gigahost.dk 46.183.139.31 ns1.gigahost.dk AS47292 Sentia Denmark A/S
ns2.gigahost.dk 46.183.139.222 web22.gigahost.dk AS47292 Sentia Denmark A/S
ns3.gigahost.dk 71.19.249.71 ns3.gigahost.dk AS11831 eSecureData
ns4.gigahost.dk 51.79.215.130 ns4.gigahost.dk AS16276 OVH SAS
ns5.gigahost.dk 77.74.192.83 ns5.gigahost.dk AS42831 UK Dedicated Servers Limited
🌍 A Records1 records   193ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.183.138.100 3600s — AS47292 Sentia Denmark A/S 46.183.138.0/23 🇩🇰 Denmark —
📧 MX Records2 records   182ms
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
🔷 Autodiscovertao.dk → 46.183.138.100
🔶 Autoconfigtao.dk → 46.183.138.100
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   239ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 autodiscover.gigahost.dk
📝 TXT Records3 records   215ms
TXT Record
protonmail-verification=3eb375925a7cde0da14b566d37442282cb508c2b
v=DMARC1; p=quarantine
v=spf1 include:_spf.protonmail.ch ~all
✉️ SPF
PolicyRecord (tao.dk)
~all (soft fail) v=spf1 include:_spf.protonmail.ch ~all
📨 DMARC
PolicyRecord (_dmarc.tao.dk)
p=quarantine v=DMARC1; p=quarantine
📬 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
🔏 ACME Challenge
TypeNameValue
CNAME _acme-challenge.tao.dk tao.dk
TXT tao.dk protonmail-verification=3eb375925a7cde0da14b566d37442282cb508c2b
🔗 TLSA / DANE4 records   156ms
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…
🔐 DNSSEC2061ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2026090301
Primary NS (MNAME)ns1.gigahost.dk
Responsible (RNAME)hostmaster@tao.dk
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
59ms
A
193ms
MX
182ms
AAAA
53ms
TXT
215ms
CAA
48ms
HTTPS
49ms
TLSA
156ms
SOA
0ms
MTA-STS
62ms
DNSSEC
2061ms
SRV
239ms
Total
2843ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-03 23:11:35 2843ms 5 NS 1 A 2 MX 🔓 Insecure View
2026-08-27 20:52:47 835ms 5 NS 1 A 2 MX 🔓 Insecure View
2026-08-20 17:30:59 2657ms 5 NS 1 A 2 MX 🔓 Insecure View
2026-08-13 12:51:01 17549ms 5 NS 1 A 2 MX 🔓 Insecure View
2026-08-09 14:00:51 1220ms 5 NS 1 A 2 MX 🔓 Insecure View
2026-08-03 13:39:23 1831ms 5 NS 1 A 2 MX 🔓 Insecure View
2026-07-23 10:25:36 9749ms 5 NS 1 A 2 MX 🔓 Insecure View
2026-07-17 07:48:19 1502ms 5 NS 1 A 2 MX 🔓 Insecure View
2026-07-10 21:54:35 1430ms 5 NS 1 A 2 MX 🔓 Insecure View
2026-07-03 11:40:11 5874ms 5 NS 1 A 2 MX 🔓 Insecure View
2026-06-28 05:10:32 958ms 5 NS 1 A 2 MX 🔓 Insecure View
2026-06-27 05:26:24 1885ms 5 NS 1 A 2 MX 🔓 Insecure View
2026-06-25 05:55:28 1238ms 5 NS 1 A 2 MX 🔓 Insecure View
2026-06-18 06:31:19 977ms 5 NS 1 A 2 MX 🔓 Insecure View
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