sylt-express.dk

📜 Historical scan 2026-09-26 12:44:00 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sylt-express.dk is a .dk domain served by 2 nameservers (clyde.ns.cloudflare.com, vera.ns.cloudflare.com). It was registered on 19 October 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.35.216 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by .. 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 34ms

Nameserver	IP addresses	PTR	ASN / ISP
clyde.ns.cloudflare.com	108.162.193.91 172.64.33.91 173.245.59.91 2606:4700:58::adf5:3b5b 2803:f800:50::6ca2:c15b 2a06:98c1:50::ac40:215b	clyde.ns.cloudflare.com clyde.ns.cloudflare.com clyde.ns.cloudflare.com clyde.ns.cloudflare.com clyde.ns.cloudflare.com clyde.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
vera.ns.cloudflare.com	108.162.192.147 172.64.32.147 173.245.58.147 2606:4700:50::adf5:3a93 2803:f800:50::6ca2:c093 2a06:98c1:50::ac40:2093	vera.ns.cloudflare.com vera.ns.cloudflare.com vera.ns.cloudflare.com vera.ns.cloudflare.com vera.ns.cloudflare.com vera.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.35.216	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.179.231	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 29ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	. Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)#

2 records 30ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:23d8	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:b3e7	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 44ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.35.216,172.67.179.231 ech=AEX+DQBBNwAgACDOo6zzzHdoH45Az6aHWK4YMXnDVugtAXTQA3aguUe+LwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:23d8,2606:4700:3033::ac43:b3e7

📝 TXT Records#

1 records 178ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (sylt-express.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.sylt-express.dk)
p=reject	v=DMARC1;p=reject;sp=reject;adkim=s;aspf=s

📬 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 01:17:50

www	104.21.35.216 172.67.179.231 2606:4700:3030::6815:23d8 2606:4700:3033::ac43:b3e7 (AS13335) (address records, no CNAME)
www vs bare domain	Same network sylt-express.dk: 104.21.35.216 172.67.179.231 2606:4700:3030::6815:23d8 2606:4700:3033::ac43:b3e7 (AS13335) www.sylt-express.dk: 104.21.35.216 172.67.179.231 2606:4700:3030::6815:23d8 2606:4700:3033::ac43:b3e7 (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

116ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2415839233
Primary NS (MNAME)	clyde.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-15 13:54:09

Field	Value
Registrar	InterNetX GmbH
Registered	2004-10-19
Expires	2026-10-31 (12d)

🔗 Same registrant#

1 domain

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).

Domain	Registrar
frs-syltfaehre.dk	InterNetX GmbH

📋 WHOIS#

⏱️ Lookup Timing#

34ms

41ms

29ms

AAAA

30ms

TXT

178ms

CAA

27ms

HTTPS

44ms

TLSA

52ms

SOA

0ms

MTA-STS

48ms

DNSSEC

116ms

SRV

57ms

Total

1090ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 18:46:03	658ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-26 12:44:00 shown	1090ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-25 12:27:03	530ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-24 03:58:55	632ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-05 10:54:56	1221ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-26 20:08:49	786ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-09 20:15:33	3505ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-25 14:46:00	2746ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-24 14:19:44	1469ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-16 16:07:58	8907ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-24 01:36:50	3301ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-24 00:44:43	1151ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-23 00:12:35	914ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 15:35:42	695ms	2 NS 2 A 0 MX	🔓 Insecure