jelber.dk

📜 Historical scan 2026-09-14 19:08:13 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jelber.dk is a .dk domain served by 2 nameservers (clark.ns.cloudflare.com, savanna.ns.cloudflare.com). It was registered on 16 April 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.156.131 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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 37ms

Nameserver	IP addresses	PTR	ASN / ISP
clark.ns.cloudflare.com	108.162.193.87 172.64.33.87 173.245.59.87 2606:4700:58::adf5:3b57 2803:f800:50::6ca2:c157 2a06:98c1:50::ac40:2157	clark.ns.cloudflare.com clark.ns.cloudflare.com clark.ns.cloudflare.com clark.ns.cloudflare.com clark.ns.cloudflare.com clark.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
savanna.ns.cloudflare.com	108.162.194.136 162.159.38.136 172.64.34.136 2606:4700:50::a29f:2688 2803:f800:50::6ca2:c288 2a06:98c1:50::ac40:2288	savanna.ns.cloudflare.com savanna.ns.cloudflare.com savanna.ns.cloudflare.com savanna.ns.cloudflare.com savanna.ns.cloudflare.com savanna.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.131	300s	linux248.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

5 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	2a00:1450:4010:c0f::1a 2a00:1450:4010:c0f::1a 74.125.205.26	lt-in-x1a.1e100.net lt-in-f26.1e100.net le-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt2.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1a	yukulwh-in-f27.1e100.net mad01s14-in-f27.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	300s	alt3.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1a	so-in-f26.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	alt4.aspmx.l.google.com	108.177.125.27 2404:6800:4008:c01::1b	tp-in-f27.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.56

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

5 records 221ms

TXT Record
google-site-verification=SEG4z-fudhxaj52V03MG224ZRlMp8CUnmAVIFUzSY6I
google-site-verification=slbgzIa4eeywia1Um8vRXg2tucqN-nSgKh1TI7ghuVU
MS=ms60528635
v=spf1 include:_spf.google.com include:spf.protection.outlook.com ~all
v=spf1 mx a ip4:139.162.150.13 include:_spf.google.com include:dedicated.mysmtp.com ~all

✉️ SPF#

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)

Policy	Record (jelber.dk)
~all (soft fail)	v=spf1 include:_spf.google.com include:spf.protection.outlook.com ~all
~all (soft fail)	v=spf1 mx a ip4:139.162.150.13 include:_spf.google.com include:dedicated.mysmtp.com ~all

📨 DMARC#

Policy	Record (_dmarc.jelber.dk)
p=none (monitor only)	v=DMARC1; p=none; sp=none; adkim=r; aspf=r; rua=mailto:abuse@jelber.dk; ruf=mailto:abuse@jelber.dk; fo=0; pct=100; ri=86400

📬 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 2026-10-17 11:08:38

www	93.191.156.131 (AS48854) (address records, no CNAME)
www vs bare domain	Same network jelber.dk: 93.191.156.131 (AS48854) www.jelber.dk: 93.191.156.131 (AS48854)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Delete signal: the zone asks the registry to remove its DS (go insecure) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

3 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit
s1	s1.domainkey.u53504533.wl034.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u53504533.wl034.sendgrid.net	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

error 2 SPF records: receivers must treat that as a permanent error (RFC 7208 §4.5)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

140ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2414443304
Primary NS (MNAME)	clark.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-17 11:49:50

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2020-04-16
Expires	2027-04-30 (194d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

37ms

34ms

40ms

AAAA

42ms

TXT

221ms

CAA

45ms

HTTPS

36ms

TLSA

379ms

SOA

0ms

MTA-STS

68ms

DNSSEC

140ms

SRV

101ms

Total

2215ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-17 11:08:37	3039ms	2 NS 1 A 5 MX	🔓 Insecure
2026-10-01 20:33:59	2112ms	2 NS 1 A 5 MX	🔓 Insecure
2026-09-30 20:18:58	930ms	2 NS 1 A 5 MX	🔓 Insecure
2026-09-23 19:00:35	1137ms	2 NS 1 A 5 MX	🔓 Insecure
2026-09-14 19:08:13 shown	2215ms	2 NS 1 A 5 MX	🔓 Insecure
2026-09-08 00:58:24	10044ms	2 NS 1 A 5 MX	🔓 Insecure
2026-08-30 07:59:22	943ms	2 NS 1 A 5 MX	🔓 Insecure
2026-08-07 09:55:26	9666ms	2 NS 1 A 5 MX	🔓 Insecure
2026-08-02 22:24:24	9551ms	2 NS 1 A 5 MX	🔓 Insecure
2026-07-16 04:16:54	1417ms	2 NS 1 A 5 MX	🔓 Insecure
2026-07-12 13:13:58	1329ms	2 NS 1 A 5 MX	🔓 Insecure
2026-06-19 00:47:41	1425ms	2 NS 1 A 5 MX	🔓 Insecure
2026-06-17 21:56:36	912ms	2 NS 1 A 5 MX	🔓 Insecure