core.dk
Last scanned: 2026-08-15 17:37:22  ·  4656ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   179ms
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   229ms
IPTTLPTRASNISP / OrgCIDRCountryCity
193.162.142.80 43200s — AS197660 QuickPay ApS 193.162.142.0/24 🇩🇰 Denmark —
📧 MX Records5 records   237ms
PriorityTTLMail ServerIP addressesPTRASN
1 3600s aspmx.l.google.com 2a00:1450:4001:c21::1b
64.233.184.26		 lcfrai-in-f27.1e100.net
wa-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
5 3600s alt1.aspmx.l.google.com 142.250.147.26
2a00:1450:4013:c1e::1b		 rd-in-f26.1e100.net
yugrqzs-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
5 3600s alt2.aspmx.l.google.com 172.253.152.27
2a00:1450:4010:c22::1a		 yulpptr-in-f27.1e100.net
yulpptr-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
10 3600s aspmx2.googlemail.com 192.178.213.26
2a00:1450:4013:c1e::1a		 yugrqzs-in-f26.1e100.net
yugrqzs-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
10 3600s aspmx3.googlemail.com 172.253.152.26
2a00:1450:4010:c22::1a		 yulpptr-in-f26.1e100.net
yulpptr-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records
📝
No TXT records found
✉️ 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 / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC383ms
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
179ms
A
229ms
MX
237ms
AAAA
170ms
TXT
476ms
CAA
243ms
HTTPS
227ms
TLSA
312ms
SOA
0ms
MTA-STS
284ms
DNSSEC
383ms
SRV
252ms
Total
4656ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-15 17:37:22 4656ms 2 NS 1 A 5 MX 🔒 Secure View
2026-07-14 07:32:48 2241ms 2 NS 1 A 5 MX 🔒 Secure View
2026-06-28 17:04:43 752ms 2 NS 1 A 5 MX 🔒 Secure View
2026-06-25 19:39:22 3539ms 2 NS 1 A 5 MX 🔒 Secure View
2026-06-24 08:29:15 904ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-20 03:14:54 1417ms 2 NS 1 A 5 MX 🔒 Secure View
2026-06-16 22:25:36 1031ms 2 NS 1 A 5 MX 🔒 Secure View
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