fdu.dk
Last scanned: 2026-08-26 17:23:07  ·  941ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   47ms
NameserverIP addressesPTRASN / ISP
ns1.eurodns.com 199.167.66.107
2610:1c8:b002::107		 ns1.eurodns.com
ns1.eurodns.com		 AS23393 NuCDN LLC
AS23393 NuCDN LLC
ns2.eurodns.com 104.37.178.107
2610:1c8:b001::107		 ns2.eurodns.com
ns2.eurodns.com		 AS23393 NuCDN LLC
AS23393 NuCDN LLC
ns3.eurodns.com 199.167.66.108
2610:1c8:b002::108		 ns3.eurodns.com
ns3.eurodns.com		 AS23393 NuCDN LLC
AS23393 NuCDN LLC
ns4.eurodns.com 104.37.178.108
2610:1c8:b001::108		 ns4.eurodns.com
ns4.eurodns.com		 AS23393 NuCDN LLC
AS23393 NuCDN LLC
🌍 A Records1 records   48ms
IPTTLPTRASNISP / OrgCIDRCountryCity
193.3.142.155 43200s mailgrinder.tdc.dk AS3292 TDC Holding A/S 193.3.142.0/24 🇩🇰 Denmark Taastrup
📧 MX Records1 records   46ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s mailgrinder.tdc.dk 193.3.142.155 mailgrinder.tdc.dk AS3292 TDC Holding A/S
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   318ms
TXT Record
v=spf1 ip4:193.3.142.155 -all
✉️ SPF
PolicyRecord (fdu.dk)
-all (hard fail) v=spf1 ip4:193.3.142.155 -all
📨 DMARC
PolicyRecord (_dmarc.fdu.dk)
p=reject v=DMARC1; p=reject; sp=reject;
📬 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)
🔐 DNSSEC79ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026011440
Primary NS (MNAME)ns1.eurodns.com
Responsible (RNAME)hostmaster@eurodns.com
Refresh43200s
Retry7200s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
47ms
A
48ms
MX
46ms
AAAA
52ms
TXT
318ms
CAA
83ms
HTTPS
78ms
TLSA
112ms
SOA
0ms
MTA-STS
126ms
DNSSEC
79ms
SRV
141ms
Total
941ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 17:23:07 941ms 4 NS 1 A 1 MX 🔒 Secure View
2026-08-19 06:08:38 3907ms 4 NS 1 A 1 MX 🔒 Secure View
2026-08-17 18:55:16 1479ms 4 NS 1 A 1 MX 🔒 Secure View
2026-08-04 02:04:54 793ms 4 NS 1 A 1 MX 🔒 Secure View
2026-07-14 23:05:46 859ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-27 01:46:45 796ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-17 09:59:43 1163ms 4 NS 1 A 1 MX 🔒 Secure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone