mdm-sdb.dk
Last scanned: 2026-07-03 00:04:44  ·  1010ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   57ms
NameserverIP addressesPTRASN / ISP
ns1-02.azure-dns.com 13.107.236.2
2603:1061:0:700::2		 ns1-02.azure-dns.com
ns1-02.azure-dns.com		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
ns2-02.azure-dns.net 150.171.21.2
2620:1ec:8ec:700::2		 ns2-02.azure-dns.net
ns2-02.azure-dns.net		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
ns3-02.azure-dns.org 204.14.183.2
2a01:111:4000:700::2		 ns3-02.azure-dns.org
ns3-02.azure-dns.org		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
ns4-02.azure-dns.info 208.84.5.2
2620:1ec:bda:700::2		 ns4-02.azure-dns.info
ns4-02.azure-dns.info		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
🌍 A Records
🌍
No A records found
📧 MX Records1 records   46ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s smtp3.sonderborg.dk 80.62.237.13
80.62.237.13		 13.1-126.237.62.80.in-addr.arpa
smtp3.sonderborg.dk		 AS3292 TDC Holding A/S
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   159ms
TXT Record
v=spf1 include:_spf_a.sonderborg.dk include:_spf_b.sonderborg.dk -all
✉️ SPF
PolicyRecord (mdm-sdb.dk)
-all (hard fail) v=spf1 include:_spf_a.sonderborg.dk include:_spf_b.sonderborg.dk -all
📨 DMARC
PolicyRecord (_dmarc.mdm-sdb.dk)
p=reject v=DMARC1; p=reject; rua=mailto:653640a21c83d@dmarc.centerasecurity.com; sp=quarantine; 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
🔗 TLSA / DANE1 records   47ms
Service / OwnerTypeCert association
SMTP _25._tcp.smtp3.sonderborg.dk DANE-EE · SPKI · SHA-256 3AC2951C4ACE9B1D1E9A7A04889EFF68…
🔐 DNSSEC126ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset
🏷️ SOA50ms
FieldValue
Serial38
Primary NS (MNAME)ns1-02.azure-dns.com
Responsible (RNAME)hostmaster@sonderborg.dk
Refresh900s
Retry600s
Expire86400s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
57ms
A
56ms
MX
46ms
AAAA
57ms
TXT
159ms
CAA
51ms
HTTPS
47ms
TLSA
47ms
SOA
50ms
MTA-STS
74ms
DNSSEC
126ms
SRV
65ms
Total
1010ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-07-03 00:04:44 1010ms 4 NS 0 A 1 MX 🔓 Insecure View
2026-06-27 12:03:24 723ms 4 NS 0 A 1 MX 🔓 Insecure View
2026-06-27 03:00:52 843ms 4 NS 0 A 1 MX 🔓 Insecure View
2026-06-22 04:45:59 623ms 4 NS 0 A 1 MX 🔓 Insecure View
2026-06-21 11:17:42 1157ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-20 04:06:16 2129ms 4 NS 0 A 1 MX 🔓 Insecure View
2026-06-17 12:13:02 3127ms 4 NS 0 A 1 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone