colorgrader.dk
Last scanned: 2026-08-28 09:09:31  ·  901ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   75ms
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   45ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.30.211.38 3600s domain-parking.one.com AS51468 One.com A/S 46.30.208.0/21 🇩🇰 Denmark Copenhagen
📧 MX Records2 records   40ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx1.alias.proton.me 176.119.200.136
176.119.200.136
185.205.70.136
185.205.70.136		 mx1.simplelogin.co
mx2.simplelogin.co
mx2.simplelogin.co
mx1.simplelogin.co		 AS62371 Proton AG
AS62371 Proton AG
AS62371 Proton AG
AS62371 Proton AG
20 3600s mx2.alias.proton.me 176.119.200.136
176.119.200.136
185.205.70.136
185.205.70.136		 mx1.simplelogin.co
mx2.simplelogin.co
mx2.simplelogin.co
mx1.simplelogin.co		 AS62371 Proton AG
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   189ms
TXT Record
pm-verification=zrxtnmpltbsjxfloxytscaowajzfab
v=spf1 include:alias.proton.me ~all
✉️ SPF
PolicyRecord (colorgrader.dk)
~all (soft fail) v=spf1 include:alias.proton.me ~all
📨 DMARC
PolicyRecord (_dmarc.colorgrader.dk)
p=quarantine v=DMARC1; p=quarantine; pct=100; adkim=s; aspf=s
📬 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   154ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.alias.proton.me DANE-EE · SPKI · SHA-256 73B2D19CF53EE2FB4C4C92A023518318…
SMTP _25._tcp.mx2.alias.proton.me DANE-EE · SPKI · SHA-256 73B2D19CF53EE2FB4C4C92A023518318…
🔐 DNSSEC118ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026071202
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
75ms
A
45ms
MX
40ms
AAAA
52ms
TXT
189ms
CAA
61ms
HTTPS
72ms
TLSA
154ms
SOA
0ms
MTA-STS
101ms
DNSSEC
118ms
SRV
91ms
Total
901ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 09:09:31 901ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-13 17:23:47 851ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-11 18:32:17 2397ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-21 07:23:54 1492ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-20 14:59:09 1128ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-16 21:45:56 612ms 2 NS 1 A 2 MX 🔒 Secure View
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