develedu.dk
Last scanned: 2026-09-01 02:30:45  ·  838ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   45ms
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   55ms
IPTTLPTRASNISP / OrgCIDRCountryCity
188.228.103.171 43200s 188.228.103.171.dynamic.altibox.net AS214875 Altibox Danmark AS 188.228.102.0/23 🇩🇰 Denmark Grindsted
📧 MX Records1 records   60ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s mail.develedu.dk 188.228.103.171 188.228.103.171.dynamic.altibox.net AS214875 Altibox Danmark AS
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   201ms
TXT Record
v=spf1 a:mail.develedu.dk mx:mail.develedu.dk ip4:188.228.103.171/32 -all
✉️ SPF
PolicyRecord (develedu.dk)
-all (hard fail) v=spf1 a:mail.develedu.dk mx:mail.develedu.dk ip4:188.228.103.171/32 -all
📨 DMARC
PolicyRecord (_dmarc.develedu.dk)
p=quarantine v=DMARC1;p=quarantine;sp=quarantine;rua=mailto:dmarc@develedu.dk;ruf=mailto:dmarc-forensic@develedu.dk;fo=1
📬 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
🔏 ACME Challenge
TypeNameValue
TXT _acme-challenge.develedu.dk Ts5_ddnZw9U78lDde_VCkmjoj9s80mWBFg4sW968i7w
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC106ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026081101
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
45ms
A
55ms
MX
60ms
AAAA
54ms
TXT
201ms
CAA
56ms
HTTPS
45ms
TLSA
103ms
SOA
0ms
MTA-STS
82ms
DNSSEC
106ms
SRV
339ms
Total
838ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-01 02:30:45 838ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-27 22:49:51 1051ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-26 20:53:20 606ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-15 22:24:33 4809ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-11 23:18:31 2645ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-17 22:29:07 759ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-12 20:07:34 838ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-27 03:30:34 572ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 02:39:55 1486ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 02:31:22 562ms 2 NS 1 A 1 MX 🔒 Secure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone