tkbf.dk

Records from scan: 2026-10-13 01:23:59  ·  902ms total  ·  last checked 2026-10-19 07:09 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tkbf.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 76.76.21.21 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by mx1.spacemail.com, mx2.spacemail.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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records   31ms

🌍 A Records#

1 records   37ms
IPTTLPTRASNISP / OrgCIDRCountryCity
76.76.21.21 3600s — AS16509 Amazon.com, Inc. 76.76.21.0/24 🇺🇸 United States Walnut

📧 MX Records#

2 records   29ms

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover91.98.144.109
🔶 Autoconfig91.98.144.109

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records   49ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 0 443 autoconfig.spacemail.com

📝 TXT Records#

3 records   96ms
TXT Record
7d79d95a-577c-4b8c-80a0-4da51f1b9296
brevo-code:fd4a37db56f2e5abbce34f1e5acd509b
v=spf1 include:spf.spacemail.com ~all

✉️ SPF#

PolicyRecord (tkbf.dk)
~all (soft fail) v=spf1 include:spf.spacemail.com ~all

📨 DMARC#

PolicyRecord (_dmarc.tkbf.dk)
p=none (monitor only) v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.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#

checked 2026-10-13 01:23:59
www91.98.144.109 (AS24940) (address records, no CNAME)
www vs bare domainDifferent networks
tkbf.dk: 76.76.21.21 (AS16509)
www.tkbf.dk: 91.98.144.109 (AS24940)
(all like this)
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: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

111ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

29ms
FieldValue
Serial2026101200
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
31ms
A
37ms
MX
29ms
AAAA
34ms
TXT
96ms
CAA
36ms
HTTPS
27ms
TLSA
183ms
SOA
29ms
MTA-STS
44ms
DNSSEC
111ms
SRV
49ms
Total
902ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-13 01:23:59 shown 902ms 3 NS 1 A 2 MX 🔒 Secure
2026-10-02 11:02:33 2006ms 3 NS 1 A 2 MX 🔒 Secure
2026-06-23 18:09:21 888ms 3 NS 1 A 2 MX 🔒 Secure
2026-06-17 22:24:05 883ms 3 NS 1 A 2 MX 🔒 Secure
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