lett3rs.dk DNS records

🖥️ Nameservers2 records 89ms

Nameserver	IP addresses	PTR	ASN / ISP
jake.ns.cloudflare.com	108.162.193.122 172.64.33.122 173.245.59.122 2606:4700:58::adf5:3b7a 2803:f800:50::6ca2:c17a 2a06:98c1:50::ac40:217a	jake.ns.cloudflare.com jake.ns.cloudflare.com jake.ns.cloudflare.com jake.ns.cloudflare.com jake.ns.cloudflare.com jake.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
melissa.ns.cloudflare.com	108.162.192.199 172.64.32.199 173.245.58.199 2606:4700:50::adf5:3ac7 2803:f800:50::6ca2:c0c7 2a06:98c1:50::ac40:20c7	melissa.ns.cloudflare.com melissa.ns.cloudflare.com melissa.ns.cloudflare.com melissa.ns.cloudflare.com melissa.ns.cloudflare.com melissa.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 71ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.10.6	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.161.207	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	104.21.10.6
🔶 Autoconfig	104.21.10.6

🔷 AAAA Records (IPv6)2 records 71ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:a1cf	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::6815:a06	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 83ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.10.6,172.67.161.207 ech=AEX+DQBB3QAgACDkMyWjRahiqF/7APgF5jqG23tYbPRfS6j4drJBHuFgcwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:a1cf,2606:4700:3035::6815:a06

📝 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

🔗 TLSA / DANE

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

🔐 DNSSEC262ms

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

🏷️ SOA0ms

Field	Value
Serial	2412588555
Primary NS (MNAME)	jake.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

89ms

A

71ms

MX

105ms

AAAA

71ms

TXT

318ms

CAA

81ms

HTTPS

83ms

TLSA

161ms

SOA

0ms

MTA-STS

148ms

DNSSEC

262ms

SRV

157ms

Total

1709ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-19 16:12:00	1709ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-18 16:06:24	1608ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-09 22:00:28	8703ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-23 14:37:13	3595ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-22 23:24:34	1157ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 13:54:41	2083ms	2 NS 2 A 0 MX	🔓 Insecure	View