bsn.dk

📜 Historical scan 2026-10-01 01:13:06  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bsn.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 15 August 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 136.244.106.136 is hosted by The Constant Company, LLC (AS20473) in The Netherlands. Mail is handled by mail.bsn.dk. 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   38ms

🌍 A Records#

1 records   33ms

📧 MX Records#

1 records   31ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mail.bsn.dk 136.244.106.136 hes02.dsl-it.dk AS20473 The Constant Company, LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records   113ms
TXT Record
google-site-verification=HK8moZTkhRD0Mm-L6fHkJPp9Yh5phOvFbjGBj0NptH8
v=spf1 a mx ip4:136.244.106.136 -all

✉️ SPF#

PolicyRecord (bsn.dk)
-all (hard fail) v=spf1 a mx ip4:136.244.106.136 -all

📨 DMARC#

PolicyRecord (_dmarc.bsn.dk)
p=quarantine v=DMARC1; p=quarantine; pct=100; rua=mailto:dmarc@hes02.dsl-it.dk

📬 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 2026-10-12 13:40:08
www CNAMEbsn.dk (all on bsn.dk)
www vs bare domainSame network
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

✍️ DKIM keys#

1 found
SelectorCNAMEKey
mail — RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

55ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

38ms
FieldValue
Serial2026082400
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-12 14:01:10
FieldValue
RegistrarSimply.com A/S
Registered2026-08-15
Expires2027-08-14 (297d)

🔗 Same registrant#

18 domains
📋 WHOIS#

⏱️ Lookup Timing#

NS
38ms
A
33ms
MX
31ms
AAAA
24ms
TXT
113ms
CAA
34ms
HTTPS
37ms
TLSA
437ms
SOA
38ms
MTA-STS
54ms
DNSSEC
55ms
SRV
42ms
Total
755ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-16 23:17:44 1021ms 3 NS 0 A 0 MX ❓ Unknown
2026-10-12 13:40:08 1491ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-04 01:19:32 896ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-01 01:13:06 shown 755ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-13 05:32:40 854ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-02 05:29:45 934ms 3 NS 1 A 1 MX 🔒 Secure
2026-08-27 03:37:25 4718ms 3 NS 1 A 1 MX 🔒 Secure
2026-08-26 05:53:09 575ms 3 NS 1 A 1 MX 🔒 Secure
2026-08-25 16:54:07 666ms 3 NS 1 A 1 MX 🔒 Secure
2026-08-16 12:15:44 701ms 3 NS 1 A 1 MX 🔒 Secure
2026-08-11 22:33:30 1233ms 1 NS 0 A 0 MX ❓ Unknown
2026-08-10 03:48:40 857ms 1 NS 0 A 0 MX ❓ Unknown
2026-08-06 03:59:31 839ms 1 NS 0 A 0 MX ❓ Unknown
2026-08-01 14:41:46 1216ms 1 NS 0 A 0 MX ❓ Unknown
2026-07-28 18:14:43 2635ms 1 NS 0 A 0 MX ❓ Unknown
2026-07-27 07:24:47 720ms 1 NS 0 A 0 MX ❓ Unknown
2026-07-26 07:15:36 644ms 1 NS 0 A 0 MX ❓ Unknown
2026-07-25 06:55:04 811ms 1 NS 0 A 0 MX ❓ Unknown
2026-07-24 05:04:03 889ms 1 NS 0 A 0 MX ❓ Unknown
2026-07-23 03:01:54 723ms 1 NS 0 A 0 MX ❓ Unknown
2026-07-21 15:21:53 671ms 1 NS 0 A 0 MX ❓ Unknown
2026-07-20 03:06:12 744ms 1 NS 0 A 0 MX ❓ Unknown
2026-07-18 23:56:57 716ms 1 NS 0 A 0 MX ❓ Unknown
2026-07-17 21:01:37 2632ms 1 NS 0 A 0 MX ❓ Unknown
2026-07-16 19:19:11 558ms 1 NS 0 A 0 MX ❓ Unknown
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