jesperlk.dk

📜 Historical scan 2026-09-18 01:31:22  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jesperlk.dk is a .dk domain served by 2 nameservers (luke.ns.cloudflare.com, rosalyn.ns.cloudflare.com). It was registered on 13 November 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.16.148 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by cpanel.greait.cloud. The zone is DNSSEC-signed and validates, 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   157ms

🌍 A Records#

2 records   158ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.16.148 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.213.160 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   110ms

🔷 AAAA Records (IPv6)#

2 records   126ms

🔐 HTTPS Records#

1 records   119ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.16.148,172.67.213.160 ech=AEX+DQBBQgAgACCDl+LsM60HEpQEV+BfTzxhjthggCDFnKiFinIm01m4DgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:1094,2606:4700:3033::ac43:d5a0

📝 TXT Records#

1 records   289ms
TXT Record
v=spf1 include:spf.cpanel.greait.cloud include:spf.protection.outlook.com -all

✉️ SPF#

PolicyRecord (jesperlk.dk)
-all (hard fail) v=spf1 include:spf.cpanel.greait.cloud include:spf.protection.outlook.com -all

📨 DMARC#

PolicyRecord (_dmarc.jesperlk.dk)
p=quarantine v=DMARC1; p=quarantine; pct=100;

📬 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 2026-10-15 14:51:53
www104.21.16.148 172.67.213.160 2606:4700:3031::6815:1094 2606:4700:3033::ac43:d5a0 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceCompact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ 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.jesperlk.dk 6brtYG0kQixCNrYFmDhqG0sHX1BKsyIxlo8ag-9dtJQ
TXT _acme-challenge.jesperlk.dk ATYMDgc6rquGNHvUVytGno1yeEVuWfCNLW5ZKUdb01A
TXT _acme-challenge.jesperlk.dk V4Zr8BE3lb21TKL5N67rFj6y82wDtjW6oq30WSmRDuI
TXT _acme-challenge.jesperlk.dk d5JQ4-t_TaiTAMOEbtY-PgNpHgcfiUQyK6PCQDoNmZU
TXT _acme-challenge.jesperlk.dk heUpKem5UKp-CZ2M_jn1JKuXeEG5h2szNIz2McznG88
TXT _acme-challenge.jesperlk.dk n5uh1R617FxiI9VRkwS27nvghZvbraH56j_ew1zYGt8

🔗 TLSA / DANE#

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

🔐 DNSSEC#

189ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2414997027
Primary NS (MNAME)luke.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-11 08:44:50
FieldValue
RegistrarGreait
Registered2011-11-13
Expires2030-07-31 (1380d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
157ms
A
158ms
MX
110ms
AAAA
126ms
TXT
289ms
CAA
134ms
HTTPS
119ms
TLSA
585ms
SOA
0ms
MTA-STS
145ms
DNSSEC
189ms
SRV
146ms
Total
2870ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-15 14:51:53 611ms 2 NS 2 A 1 MX 🔒 Secure
2026-10-11 08:08:04 1913ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-29 20:19:40 1320ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-27 19:59:39 1196ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-26 19:33:16 1043ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-21 07:44:20 1355ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-18 01:31:22 shown 2870ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-07 14:40:07 970ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-06 12:44:30 1579ms 2 NS 2 A 1 MX 🔒 Secure
2026-08-25 18:46:16 1152ms 2 NS 2 A 1 MX 🔒 Secure
2026-08-17 14:20:04 4481ms 2 NS 2 A 1 MX 🔒 Secure
2026-08-16 05:50:23 8681ms 2 NS 2 A 1 MX 🔒 Secure
2026-08-13 14:00:50 2682ms 2 NS 2 A 1 MX 🔒 Secure
2026-07-31 06:21:22 1287ms 2 NS 2 A 1 MX 🔒 Secure
2026-07-21 00:28:33 1109ms 2 NS 2 A 1 MX 🔒 Secure
2026-07-19 10:34:51 1177ms 2 NS 2 A 1 MX 🔒 Secure
2026-06-29 23:53:42 1105ms 2 NS 2 A 1 MX 🔒 Secure
2026-06-17 13:19:19 2190ms 2 NS 2 A 1 MX 🔒 Secure
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