teflon.dk

📜 Historical scan 2026-06-17 11:44:14  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

teflon.dk is a .dk domain served by 4 nameservers (pdns99.ultradns.biz, pdns99.ultradns.com, pdns99.ultradns.net and 1 more). It was registered on 25 June 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.64.178 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, has no 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#

4 records   71ms

🌍 A Records#

2 records   63ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.64.178 — — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.187.55 — — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

📧
No MX records found

🔷 AAAA Records (IPv6)#

2 records   84ms

🔐 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#

latest probe, not this scan · checked 2026-10-08 13:37:45

🔗 TLSA / DANE#

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

🔐 DNSSEC#

86ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

63ms
FieldValue
Serial2015062626
Primary NS (MNAME)pdns99.ultradns.com
Responsible (RNAME)domain_admin@chemours.com
Refresh10800s
Retry3600s
Expire2592000s
Minimum (neg-cache TTL)86400s

📋 Registration#

WHOIS fetched 2026-10-14 04:37:22
FieldValue
RegistrarMarkMonitor Inc.
Registered2003-06-25
Expires2027-06-30 (256d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet
📋 WHOIS#

⏱️ Lookup Timing#

NS
71ms
A
63ms
MX
56ms
AAAA
84ms
TXT
179ms
CAA
42ms
HTTPS
54ms
TLSA
255ms
SOA
63ms
MTA-STS
77ms
DNSSEC
86ms
SRV
0ms
Total
1161ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-04 13:29:59 3015ms 4 NS 2 A 0 MX 🔓 Insecure
2026-08-25 05:57:37 10446ms 4 NS 2 A 0 MX 🔓 Insecure
2026-08-19 07:38:38 5959ms 4 NS 2 A 0 MX 🔓 Insecure
2026-08-17 14:26:14 2817ms 4 NS 2 A 0 MX 🔓 Insecure
2026-08-15 02:37:58 9891ms 4 NS 2 A 0 MX 🔓 Insecure
2026-07-27 17:45:52 10386ms 4 NS 2 A 0 MX 🔓 Insecure
2026-07-03 00:28:13 10311ms 4 NS 2 A 0 MX 🔓 Insecure
2026-06-22 20:04:19 1576ms 4 NS 2 A 0 MX 🔓 Insecure
2026-06-19 22:32:18 1526ms 4 NS 2 A 0 MX 🔓 Insecure
2026-06-17 11:44:14 shown 1161ms 4 NS 2 A 0 MX 🔓 Insecure
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