s-frb.dk

Records from scan: 2026-09-30 22:34:04  ·  940ms total  ·  last checked 2026-10-17 00:38 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

s-frb.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 19 August 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 135.181.43.39 is hosted by Hetzner Online GmbH (AS24940) in Finland. Mail is handled by mx.simply.com. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records   39ms
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
ns4.simply.com 91.197.248.80 ns4.simply.com AS48854 team.blue Denmark A/S

🌍 A Records#

1 records   31ms
IPTTLPTRASNISP / OrgCIDRCountryCity
135.181.43.39 3600s static.39.43.181.135.clients.your-server.de AS24940 Hetzner Online GmbH 135.181.0.0/16 🇫🇮 Finland Helsinki

📧 MX Records#

1 records   44ms
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
🔷 Autodiscover94.231.107.217
🔶 Autoconfig94.231.107.217

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝
No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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#

checked 2026-10-10 16:59:05
www135.181.43.39 (AS24940) (address records, no CNAME)
www vs bare domainSame network
s-frb.dk: 135.181.43.39 (AS24940)
www.s-frb.dk: 135.181.43.39 (AS24940)
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

🔗 TLSA / DANE#

3 records   145ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 4B949F05A63FED95FC94B3A83DD70167…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 97A3BA009F39C761BFFB6574340E8138…

🔐 DNSSEC#

75ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

51ms
FieldValue
Serial2026093000
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-10 22:48:30
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2009-08-19
Expires2028-08-31 (684d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
39ms
A
31ms
MX
44ms
AAAA
24ms
TXT
224ms
CAA
38ms
HTTPS
45ms
TLSA
145ms
SOA
51ms
MTA-STS
58ms
DNSSEC
75ms
SRV
78ms
Total
940ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-30 22:34:04 shown 940ms 4 NS 1 A 1 MX 🔒 Secure
2026-09-30 17:31:44 1761ms 4 NS 1 A 1 MX 🔒 Secure
2026-09-24 16:05:49 490ms 4 NS 1 A 1 MX 🔒 Secure
2026-08-27 21:07:36 658ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-17 22:51:56 629ms 4 NS 1 A 1 MX 🔒 Secure
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