sdba.dk

📜 Historical scan 2026-10-03 08:40:40  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sdba.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 1 October 2026 (WHOIS) and first appeared in the .dk zone on 2 October 2026. Mail is handled by mx.simply.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records   146ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com 2a02:2339:1:15c::4562:4562
91.197.248.78		 ns1.simply.com
ns1.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.simply.com 185.25.141.15
2a02:2339:4006:101::4562:4562		 ns2.simply.com
ns2.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns3.simply.com 91.197.248.79 ns3.simply.com AS48854 team.blue Denmark A/S

🌍 A Records#

🌍
No A records found

📧 MX Records#

1 records   92ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx.simply.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔶 Autoconfigmaildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records   235ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 maildiscover.simply.com

📝 TXT Records#

1 records   342ms
TXT Record
v=spf1 include:spf.simply.com -all

✉️ SPF#

PolicyRecord (sdba.dk)
-all (hard fail) v=spf1 include:spf.simply.com -all

📨 DMARC#

PolicyRecord (_dmarc.sdba.dk)
p=reject v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;

📬 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-16 03:45:25
www CNAMEpointing.wixdns.net (all on wixdns.net)
www vs bare domainDifferent networks
sdba.dk: 185.230.63.107 (AS58182)
www.sdba.dk: 34.149.87.45 (AS396982)
(all like this)
WildcardNo
Denial of existenceNSEC zone can be walked (all names enumerable)
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

3 records   209ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 97A3BA009F39C761BFFB6574340E8138…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 4B949F05A63FED95FC94B3A83DD70167…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 A9D603AF4D7ED6B9246B4B68500CD6F2…

🔐 DNSSEC#

338ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset

🏷️ SOA#

104ms
FieldValue
Serial2026100104
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-04 23:32:22
FieldValue
RegistrarSimply.com A/S
Registered2026-10-01
Expires2027-09-30 (348d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
146ms
A
108ms
MX
92ms
AAAA
128ms
TXT
342ms
CAA
128ms
HTTPS
131ms
TLSA
209ms
SOA
104ms
MTA-STS
195ms
DNSSEC
338ms
SRV
235ms
Total
1829ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-16 03:45:25 660ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-09 13:49:05 796ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-05 09:04:22 849ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-04 08:41:24 502ms 3 NS 0 A 1 MX 🔒 Secure
2026-10-03 08:40:40 shown 1829ms 3 NS 0 A 1 MX 🔒 Secure
2026-10-02 08:31:46 1309ms 1 NS 0 A 0 MX ❓ Unknown
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