nextchallenge.dk
Last scanned: 2026-08-25 21:12:53  ·  1121ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   36ms
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   41ms
IPTTLPTRASNISP / OrgCIDRCountryCity
91.221.206.212 43200s — AS47292 Sentia Denmark A/S 91.221.206.0/23 🇩🇰 Denmark —
📧 MX Records1 records   77ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s mx.comjunit.dk 91.221.206.215 srv215.dialogical.dk AS47292 Sentia Denmark A/S
🔷 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 Records1 records   81ms
FlagsTagValue
0 issue letsencrypt.org
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC105ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026082501
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
36ms
A
41ms
MX
77ms
AAAA
72ms
TXT
188ms
CAA
81ms
HTTPS
37ms
TLSA
584ms
SOA
0ms
MTA-STS
90ms
DNSSEC
105ms
SRV
96ms
Total
1121ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-25 21:12:53 1121ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-25 23:13:21 2580ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-25 10:44:19 872ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-24 14:55:57 620ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-21 19:38:00 1166ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-20 02:16:45 1869ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 13:17:52 686ms 2 NS 1 A 1 MX 🔒 Secure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone