123byg.dk
Last scanned: 2026-07-01 06:08:44  ·  1342ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   62ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com 2a02:2339:1:15c::4562:4562
91.197.248.78		 ns1.simply.com
ns1.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.simply.com 185.25.141.15
2a02:2339:4006:101::4562:4562		 ns2.simply.com
ns2.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns3.simply.com 91.197.248.79 ns3.simply.com AS48854 team.blue Denmark A/S
ns4.simply.com 91.197.248.80 ns4.simply.com AS48854 team.blue Denmark A/S
🌍 A Records1 records   51ms
IPTTLPTRASNISP / OrgCIDRCountryCity
34.237.47.210 3600s ec2-34-237-47-210.compute-1.amazonaws.com AS14618 Amazon.com, Inc. 34.224.0.0/12 🇺🇸 United States Ashburn
📧 MX Records2 records   52ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s wednesday.mxrouting.net 45.45.170.39 wednesday.mxrouting.net AS398810 MXroute LLC
20 3600s wednesday-relay.mxrouting.net 45.43.208.39 wednesday.mxrouting.net AS46261 QuickPacket, LLC
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   144ms
TXT Record
v=spf1 include:mxlogin.com -all
✉️ SPF
PolicyRecord (123byg.dk)
-all (hard fail) v=spf1 include:mxlogin.com -all
📨 DMARC
PolicyRecord (_dmarc.123byg.dk)
p=none (monitor only) v=DMARC1;p=none;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=8640049.12.204.137
📬 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 / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC176ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA53ms
FieldValue
Serial2025101406
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
62ms
A
51ms
MX
52ms
AAAA
67ms
TXT
144ms
CAA
70ms
HTTPS
56ms
TLSA
246ms
SOA
53ms
MTA-STS
85ms
DNSSEC
176ms
SRV
67ms
Total
1342ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-07-01 06:08:44 1342ms 4 NS 1 A 2 MX 🔒 Secure View
2026-06-24 02:59:21 906ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-16 12:58:53 1558ms 4 NS 1 A 2 MX 🔒 Secure View
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