lennartc.dk

📜 Historical scan 2026-08-26 01:46:39  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

lennartc.dk is a .dk domain served by 2 nameservers (ali.ns.cloudflare.com, terin.ns.cloudflare.com). It was registered on 7 January 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.65.152 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.lennartc.dk. 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   40ms
NameserverIP addressesPTRASN / 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 Records#

2 records   53ms
IPTTLPTRASNISP / OrgCIDRCountryCity
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 Records#

1 records   42ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mail.lennartc.dk 5.134.12.217 pro.c-co.dk AS34282 Team Blue Carrier Limited

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover5.134.12.217
🔶 Autoconfig5.134.12.217

🔷 AAAA Records (IPv6)#

2 records   46ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
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 Records#

1 records   72ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.65.152,172.67.146.174 ech=AEX+DQBB4AAgACC9+/nBzGwIOrbYI730uv/4MJRytdwqvKluOdLughCZaAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:92ae,2606:4700:3035::6815:4198

📝 TXT Records#

2 records   197ms
TXT Record
google-site-verification=Wm_peCfrmD28srlcwK0R7Odra11k1H2qYF44_VbgqTE
v=spf1 +a +mx ip4:5.134.9.155 ip4:5.134.12.217 ~all

✉️ SPF#

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

📨 DMARC#

PolicyRecord (_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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-11 01:30:03
www104.21.65.152 172.67.146.174 2606:4700:3034::ac43:92ae 2606:4700:3035::6815:4198 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves

✍️ DKIM keys#

1 found
SelectorCNAMEKey
default — RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.lennartc.dk T0t-aqvp10qdlNpspzXxOgfx8UU2LZaGL8a2OCvDEJk
TXT _acme-challenge.lennartc.dk xr2g1SaZUknPh8d68ihbVldD3VYCuiAz_dDCO5MLIgc

🔗 TLSA / DANE#

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

🔐 DNSSEC#

93ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2413017728
Primary NS (MNAME)ali.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-06 23:43:22
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2016-01-07
Expires2027-07-31 (278d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
40ms
A
53ms
MX
42ms
AAAA
46ms
TXT
197ms
CAA
39ms
HTTPS
72ms
TLSA
71ms
SOA
0ms
MTA-STS
77ms
DNSSEC
93ms
SRV
81ms
Total
710ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-06 23:21:37 1593ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-30 22:04:57 630ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-27 07:12:38 868ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-11 20:11:00 1847ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-27 01:58:22 1191ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-26 01:46:39 shown 710ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-24 06:43:39 4032ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-08 17:11:50 1066ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-26 19:10:24 870ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-25 08:26:04 1328ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-17 15:22:19 792ms 2 NS 2 A 1 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone