thomsentf.dk

📜 Historical scan 2026-07-26 02:07:06  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

thomsentf.dk is a .dk domain served by 2 nameservers (gabriella.ns.cloudflare.com, mitch.ns.cloudflare.com). It was registered on 8 February 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.51.159 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by thomsentf-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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#

2 records   63ms

🌍 A Records#

2 records   49ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.51.159 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.182.129 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   49ms

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 40.104.116.24
🔶 Autoconfig35.214.145.246

🔷 AAAA Records (IPv6)#

2 records   61ms

🔐 HTTPS Records#

1 records   47ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.51.159,172.67.182.129 ech=AEX+DQBBPAAgACD5UG7+c8ghOjSgzL2RETOgINeNf61rL00PYKUpzTWdeAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:b681,2606:4700:3035::6815:339f

📝 TXT Records#

2 records   206ms
TXT Record
MS=61745186
v=spf1 include:spf.protection.outlook.com include:sendgrid.net include:thomsentf.dk.spf.auto.dnssmarthost.net -all

✉️ SPF#

📨 DMARC#

PolicyRecord (_dmarc.thomsentf.dk)
p=none (monitor only) v=DMARC1; p=none; aspf=r; adkim=r;

📬 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 2026-10-10 06:07:32

✍️ DKIM keys#

2 found
SelectorCNAMEKey
s1 s1.domainkey.u56286927.wl178.sendgrid.net RSA · ~2048 bit
s2 s2.domainkey.u56286927.wl178.sendgrid.net 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: 4/10 · policy: -all

  • error include:thomsentf.dk.spf.auto.dnssmarthost.net has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

141ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

54ms
FieldValue
Serial2409686804
Primary NS (MNAME)gabriella.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-06 16:04:44
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2022-02-08
Expires2027-02-07 (112d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
63ms
A
49ms
MX
49ms
AAAA
61ms
TXT
206ms
CAA
36ms
HTTPS
47ms
TLSA
170ms
SOA
54ms
MTA-STS
70ms
DNSSEC
141ms
SRV
96ms
Total
17351ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-01 22:58:53 784ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-16 06:27:40 1557ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-07 05:17:36 4120ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-26 02:07:06 shown 17351ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-17 07:21:23 2714ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-01 00:38:12 1102ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-24 18:26:59 1123ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-18 07:32:49 1596ms 2 NS 2 A 1 MX 🔓 Insecure
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