byco.dk
📜 Historical scan 2026-06-16 18:05:04  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   95ms
NameserverIP addressesPTRASN / ISP
ns4.dns-123.net — — —
ns5.dns-123.net — — —
ns6.dns-123.net — — —
🌍 A Records1 records   65ms
IPTTLPTRASNISP / OrgCIDRCountryCity
5.103.46.102 — server6102.serverpark.dk AS44869 FIBIA P/S 5.103.0.0/16 🇩🇰 Denmark Holbæk
📧 MX Records7 records   77ms
PriorityTTLMail ServerIP addressesPTRASN
10 — ASPMX.L.GOOGLE.COM 74.125.131.26 lu-in-f26.1e100.net AS15169 Google LLC
20 — ALT1.ASPMX.L.GOOGLE.COM 172.253.158.26 so-in-f26.1e100.net AS15169 Google LLC
20 — ALT2.ASPMX.L.GOOGLE.COM 172.253.158.27 so-in-f27.1e100.net AS15169 Google LLC
30 — ASPMX2.GOOGLEMAIL.COM 192.178.211.26 lcbomp-in-f26.1e100.net AS15169 Google LLC
30 — ASPMX3.GOOGLEMAIL.COM 142.251.127.26 lcfrai-in-f26.1e100.net AS15169 Google LLC
30 — ASPMX4.GOOGLEMAIL.COM 172.253.158.27 so-in-f27.1e100.net AS15169 Google LLC
30 — ASPMX5.GOOGLEMAIL.COM 172.253.152.27 yulpptr-in-f27.1e100.net AS15169 Google LLC
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   272ms
TXT Record
v=spf1 a mx include:_spf.serverpark.dk ~all
✉️ SPF
PolicyRecord (byco.dk)
~all (soft fail) v=spf1 a mx include:_spf.serverpark.dk ~all
📨 DMARC
PolicyRecord (_dmarc.byco.dk)
p=none (monitor only) v=DMARC1; p=none;
📬 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)
🔐 DNSSEC166ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA74ms
FieldValue
Serial2012103313
Primary NS (MNAME)ns4.dns-123.net
Responsible (RNAME)admin@dns-123.net
Refresh28800s
Retry7200s
Expire604800s
Minimum (neg-cache TTL)300s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
95ms
A
65ms
MX
77ms
AAAA
76ms
TXT
272ms
CAA
63ms
HTTPS
43ms
TLSA
155ms
SOA
74ms
MTA-STS
90ms
DNSSEC
166ms
SRV
0ms
Total
991ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 22:49:41 1299ms 3 NS 1 A 7 MX 🔒 Secure View
2026-08-26 16:54:37 9722ms 3 NS 1 A 7 MX 🔒 Secure View
2026-08-25 18:31:03 1410ms 3 NS 1 A 7 MX 🔒 Secure View
2026-06-28 16:40:37 1192ms 3 NS 1 A 7 MX 🔒 Secure View
2026-06-27 11:00:39 1910ms 3 NS 1 A 7 MX 🔒 Secure View
2026-06-26 09:02:26 1008ms 3 NS 1 A 7 MX 🔒 Secure View
2026-06-16 18:05:04 991ms 3 NS 1 A 7 MX 🔒 Secure View
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