lennartc.dk DNS records

🖥️ Nameservers2 records 84ms

Nameserver	IP addresses	PTR	ASN / ISP
ali.ns.cloudflare.com	108.162.192.59 172.64.32.59 173.245.58.59 2606:4700:50::adf5:3a3b 2803:f800:50::6ca2:c03b 2a06:98c1:50::ac40:203b	ali.ns.cloudflare.com ali.ns.cloudflare.com ali.ns.cloudflare.com ali.ns.cloudflare.com ali.ns.cloudflare.com ali.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
terin.ns.cloudflare.com	108.162.193.236 172.64.33.236 173.245.59.236 2606:4700:58::adf5:3bec 2803:f800:50::6ca2:c1ec 2a06:98c1:50::ac40:21ec	terin.ns.cloudflare.com terin.ns.cloudflare.com terin.ns.cloudflare.com terin.ns.cloudflare.com terin.ns.cloudflare.com terin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 107ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.65.152	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.146.174	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 84ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.lennartc.dk	5.134.12.217	pro.c-co.dk	AS34282 Team Blue Carrier Limited

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	5.134.12.217
🔶 Autoconfig	5.134.12.217

🔷 AAAA Records (IPv6)2 records 80ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::ac43:92ae	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::6815:4198	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=104.21.65.152,172.67.146.174 ech=AEX+DQBBwQAgACCJq/98h4XBibtJpMwP+KRke6TgId8VdS0G6GYygQlfVQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:92ae,2606:4700:3035::6815:4198

📝 TXT Records2 records 296ms

TXT Record
google-site-verification=Wm_peCfrmD28srlcwK0R7Odra11k1H2qYF44_VbgqTE
v=spf1 +a +mx ip4:5.134.9.155 ip4:5.134.12.217 ~all

✉️ SPF

Policy	Record (lennartc.dk)
~all (soft fail)	v=spf1 +a +mx ip4:5.134.9.155 ip4:5.134.12.217 ~all

📨 DMARC

Policy	Record (_dmarc.lennartc.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:4690966ec09842688c897a4e495cd5ba@dmarc-reports.cloudflare.net

📬 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)

🔐 DNSSEC209ms

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	2413270095
Primary NS (MNAME)	ali.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

84ms

A

107ms

MX

84ms

AAAA

80ms

TXT

296ms

CAA

87ms

HTTPS

83ms

TLSA

119ms

SOA

0ms

MTA-STS

149ms

DNSSEC

209ms

SRV

152ms

Total

1191ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 01:58:22	1191ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-26 01:46:39	710ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-24 06:43:39	4032ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-08 17:11:50	1066ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-26 19:10:24	870ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-25 08:26:04	1328ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 15:22:19	792ms	2 NS 2 A 1 MX	🔓 Insecure	View