trecc.dk
📜 Historical scan 2026-08-16 14:08:58  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   13ms
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   8ms
IPTTLPTRASNISP / OrgCIDRCountryCity
193.53.250.49 3600s r30451.agenturserver.it AS15817 Mittwald CM Service GmbH & Co. KG 193.53.250.0/23 🇩🇪 Germany —
📧 MX Records4 records   8ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s mx1.agenturserver.de 185.15.192.56 mx1.agenturserver.de AS15817 Mittwald CM Service GmbH & Co. KG
0 3600s mx2.agenturserver.de 185.15.192.57 mx2.agenturserver.de AS15817 Mittwald CM Service GmbH & Co. KG
0 3600s mx3.agenturserver.de 185.15.192.58 mx3.agenturserver.de AS15817 Mittwald CM Service GmbH & Co. KG
0 3600s mx4.agenturserver.de 185.15.192.59 mx4.agenturserver.de AS15817 Mittwald CM Service GmbH & Co. KG
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   38ms
TXT Record
v=spf1 include:agenturserver.de ~all
✉️ SPF
PolicyRecord (trecc.dk)
~all (soft fail) v=spf1 include:agenturserver.de ~all
📨 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)
🔐 DNSSEC125ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
Key typeAlgorithmPublic key
KSK ECDSA P-256/SHA-256 bDoKNfOY9aymPHHyeVEl3Tx1leZHe4Ebt1boxQe0…
ZSK ECDSA P-256/SHA-256 j9LQhGRSiI5ZZuK018NOXft7I+NdN1tEt3J0z3U2…
🏷️ SOA6ms
FieldValue
Serial2026080801
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
13ms
A
8ms
MX
8ms
AAAA
10ms
TXT
38ms
CAA
8ms
HTTPS
23ms
TLSA
333ms
SOA
6ms
MTA-STS
7ms
DNSSEC
125ms
SRV
0ms
Total
1384ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-31 14:40:13 795ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-16 14:08:58 1384ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-09 20:09:51 3122ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-23 19:12:49 5276ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-11 10:11:41 887ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-27 04:38:20 1861ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-24 04:01:58 700ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-18 14:01:51 901ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-17 22:53:50 3000ms 2 NS 1 A 4 MX 🔒 Secure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone