5l.dk DNS records

🖥️ Nameservers2 records 27ms

Nameserver	IP addresses	PTR	ASN / ISP
chan.ns.cloudflare.com	108.162.192.82 172.64.32.82 173.245.58.82 2606:4700:50::adf5:3a52 2803:f800:50::6ca2:c052 2a06:98c1:50::ac40:2052	chan.ns.cloudflare.com chan.ns.cloudflare.com chan.ns.cloudflare.com chan.ns.cloudflare.com chan.ns.cloudflare.com chan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
grant.ns.cloudflare.com	108.162.195.130 162.159.44.130 172.64.35.130 2606:4700:58::a29f:2c82 2803:f800:50::6ca2:c382 2a06:98c1:50::ac40:2382	grant.ns.cloudflare.com grant.ns.cloudflare.com grant.ns.cloudflare.com grant.ns.cloudflare.com grant.ns.cloudflare.com grant.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 27ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
138.2.135.135	120s	—	AS31898	Oracle Corporation	138.2.128.0/18	🇩🇪 Germany	Frankfurt am Main

📧 MX Records1 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	120s	mail.5l.dk	138.2.179.88	mail.326486.xyz	AS31898 Oracle Corporation

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	mail.5l.dk → 138.2.179.88
🔶 Autoconfig	mail.5l.dk → 138.2.179.88

🔷 AAAA Records (IPv6)1 records 32ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2603:c020:8010:9c69:d6a4:3a53:ec7b:9f88	120s	—	AS31898	Oracle Corporation	2603:c020:8000:0:0:0:0:0/35	🇩🇪 Germany	Frankfurt am Main

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 161ms

TXT Record
v=spf1 a mx ip4:138.2.179.88 -all

✉️ SPF

Policy	Record (5l.dk)
-all (hard fail)	v=spf1 a mx ip4:138.2.179.88 -all

📨 DMARC

Policy	Record (_dmarc.5l.dk)
p=reject	v=DMARC1;p=reject;rua=mailto:ff81e79c96d34ffca0c3ba9d13a941b4@dmarc-reports.cloudflare.net,mailto:postmaster@5l.dk;ruf=mailto:ff81e79c96d34ffca0c3ba9d13a941b4@dmarc-reports.cloudflare.net;fo=1;

📬 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)

🔐 DNSSEC105ms

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	2413326032
Primary NS (MNAME)	chan.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

27ms

A

27ms

MX

35ms

AAAA

32ms

TXT

161ms

CAA

32ms

HTTPS

38ms

TLSA

160ms

SOA

0ms

MTA-STS

66ms

DNSSEC

105ms

SRV

60ms

Total

660ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 11:21:26	660ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-26 09:57:13	865ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-25 13:59:25	615ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-24 13:19:16	1221ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-13 19:23:00	909ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-05 21:54:27	1080ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-17 07:59:50	9966ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-11 21:19:16	986ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-06 23:19:28	17499ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-26 21:23:43	2490ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-23 18:47:23	933ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-20 20:14:34	1275ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 12:45:00	707ms	2 NS 1 A 1 MX	🔓 Insecure	View