b164.dk

📜 Historical scan 2026-09-11 16:47:55  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

b164.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.103.75 is hosted by team.blue Denmark A/S (AS48854) in Denmark. 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   36ms
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#

1 records   39ms
IPTTLPTRASNISP / OrgCIDRCountryCity
94.231.103.75 3600s linux131.unoeuro.com AS48854 team.blue Denmark A/S 94.231.96.0/20 🇩🇰 Denmark —

📧 MX Records#

1 records   32ms
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
🔷 Autodiscover94.231.103.75
🔶 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   43ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 maildiscover.simply.com

📝 TXT Records#

1 records   103ms
TXT Record
v=spf1 include:spf.simply.com -all

✉️ SPF#

PolicyRecord (b164.dk)
-all (hard fail) v=spf1 include:spf.simply.com -all

📨 DMARC#

PolicyRecord (_dmarc.b164.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 2026-10-08 05:43:46
www94.231.103.75 (AS48854) (address records, no CNAME)
www vs bare domainSame network
b164.dk: 94.231.103.75 (AS48854)
www.b164.dk: 94.231.103.75 (AS48854)
WildcardYes: any name under the zone resolves
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#

2 records   48ms
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 A9D603AF4D7ED6B9246B4B68500CD6F2…

🔐 DNSSEC#

116ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2026020301
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup
📋 WHOIS#

⏱️ Lookup Timing#

NS
36ms
A
39ms
MX
32ms
AAAA
26ms
TXT
103ms
CAA
35ms
HTTPS
34ms
TLSA
48ms
SOA
0ms
MTA-STS
54ms
DNSSEC
116ms
SRV
43ms
Total
677ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-08 05:43:46 498ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-03 10:34:12 634ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-11 16:47:55 shown 677ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-09 10:42:58 208ms 1 NS 0 A 0 MX ❓ Unknown
2026-09-01 18:20:21 389ms 1 NS 0 A 0 MX ❓ Unknown
2026-08-31 12:35:32 155ms 1 NS 0 A 0 MX ❓ Unknown
2026-08-30 03:59:37 153ms 1 NS 0 A 0 MX ❓ Unknown
2026-08-28 15:51:16 184ms 1 NS 0 A 0 MX ❓ Unknown
2026-08-27 13:31:09 182ms 1 NS 0 A 0 MX ❓ Unknown
2026-08-26 12:50:20 157ms 1 NS 0 A 0 MX ❓ Unknown
2026-08-25 07:41:24 165ms 1 NS 0 A 0 MX ❓ Unknown
2026-08-24 04:31:24 940ms 1 NS 0 A 0 MX ❓ Unknown
2026-08-23 03:51:47 781ms 1 NS 0 A 0 MX ❓ Unknown
2026-08-22 03:34:58 1036ms 1 NS 0 A 0 MX ❓ Unknown
2026-08-21 03:21:23 10078ms 1 NS 0 A 0 MX ❓ Unknown
2026-08-20 00:04:35 1020ms 1 NS 0 A 0 MX ❓ Unknown
2026-08-18 23:19:12 36558ms 1 NS 0 A 0 MX ❓ Unknown
2026-08-17 18:35:24 825ms 1 NS 0 A 0 MX ❓ Unknown
2026-08-16 15:09:44 16629ms 1 NS 0 A 0 MX ❓ Unknown
2026-08-15 10:30:12 635ms 1 NS 0 A 0 MX ❓ Unknown
2026-08-14 10:24:29 849ms 1 NS 0 A 0 MX ❓ Unknown
2026-08-12 21:24:01 2707ms 1 NS 0 A 0 MX ❓ Unknown
2026-08-11 17:53:28 2392ms 1 NS 0 A 0 MX ❓ Unknown
2026-08-10 05:13:51 754ms 1 NS 0 A 0 MX ❓ Unknown
2026-08-08 03:18:58 774ms 1 NS 0 A 0 MX ❓ Unknown
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