twot.dk
Last scanned: 2026-08-28 00:31:49  ·  1094ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   40ms
NameserverIP addressesPTRASN / ISP
ns01.one.com 195.206.121.10
2001:67c:28cc::10		 ns01.one.com
ns01.one.com		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.one.com 185.10.11.10
2001:67c:3c0::10		 ns02.one.com
ns02.one.com		 AS51468 One.com A/S
AS51468 One.com A/S
🌍 A Records1 records   31ms
IPTTLPTRASNISP / OrgCIDRCountryCity
193.106.165.84 3600s 193-106-165-84.ip4.fiberby.net AS42541 Fiberby ApS 193.106.164.0/22 🇩🇰 Denmark —
📧 MX Records2 records   36ms
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
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   176ms
TXT Record
protonmail-verification=156908577fe95b6c091f33394fabe15aef967d8a
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 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   324ms
Service / OwnerTypeCert association
SMTP _25._tcp.mail.protonmail.ch DANE-EE · SPKI · SHA-256 76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mail.protonmail.ch DANE-EE · SPKI · SHA-256 6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch DANE-EE · SPKI · SHA-256 6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch DANE-EE · SPKI · SHA-256 76BB66711DA416433CA890A5B2E5A053…
🔐 DNSSEC91ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026081301
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
40ms
A
31ms
MX
36ms
AAAA
45ms
TXT
176ms
CAA
53ms
HTTPS
56ms
TLSA
324ms
SOA
0ms
MTA-STS
282ms
DNSSEC
91ms
SRV
67ms
Total
1094ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 00:31:49 1094ms 2 NS 1 A 2 MX 🔒 Secure View
2026-08-14 22:01:14 5165ms 2 NS 1 A 2 MX 🔒 Secure View
2026-08-13 14:01:30 5425ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-17 02:55:16 9032ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-21 06:45:47 554ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-18 07:21:19 915ms 2 NS 1 A 2 MX 🔒 Secure View
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