sylt-express.dk DNS records

🖥️ Nameservers2 records 33ms

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 Records2 records 42ms

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 Records1 records 59ms

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

🔷 AAAA Records (IPv6)2 records 55ms

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 Records1 records 55ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.35.216,172.67.179.231 ech=AEX+DQBBRgAgACDgaNOvAMvElhFmdVdE2XGFNVk0aUo60AWhRKS1DACgUAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:23d8,2606:4700:3033::ac43:b3e7

📝 TXT Records1 records 222ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC83ms

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

🏷️ SOA0ms

Field	Value
Serial	2411692025
Primary NS (MNAME)	clyde.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

33ms

A

42ms

MX

59ms

AAAA

55ms

TXT

222ms

CAA

32ms

HTTPS

55ms

TLSA

108ms

SOA

0ms

MTA-STS

56ms

DNSSEC

83ms

SRV

85ms

Total

786ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 20:08:49	786ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-09 20:15:33	3505ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-25 14:46:00	2746ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-24 14:19:44	1469ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-16 16:07:58	8907ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-24 01:36:50	3301ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-24 00:44:43	1151ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-23 00:12:35	914ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 15:35:42	695ms	2 NS 2 A 0 MX	🔓 Insecure	View