cjeppesen.dk

📜 Historical scan 2026-07-09 23:58:29 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cjeppesen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 13.51.101.165 is hosted by Amazon.com, Inc. (AS16509) in Sweden. Mail is handled by mx.cjeppesen.dk. The zone is DNSSEC-signed and validates, 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 161ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 188ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
13.51.101.165	43200s	aws.bjarne-j.dk	AS16509	Amazon.com, Inc.	13.32.0.0/11	🇸🇪 Sweden	Stockholm

📧 MX Records#

1 records 163ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	mx.cjeppesen.dk	13.51.101.165	aws.bjarne-j.dk	AS16509 Amazon.com, Inc.

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	cjeppesen.dk → 13.51.101.165
🔶 Autoconfig	cjeppesen.dk → 13.51.101.165

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 327ms

TXT Record
v=spf1 a mx ip4:13.51.101.165 ~all

✉️ SPF#

Policy	Record (cjeppesen.dk)
~all (soft fail)	v=spf1 a mx ip4:13.51.101.165 ~all

📨 DMARC#

Policy	Record (_dmarc.cjeppesen.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:postmaster@cjeppesen.dk;

📬 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 2026-10-14 15:33:13

www CNAME	cjeppesen.dk (all on cjeppesen.dk) → 13.51.101.165 (AS16509)
www vs bare domain	Same network cjeppesen.dk: 13.51.101.165 (AS16509) www.cjeppesen.dk: 13.51.101.165 (AS16509)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

280ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2026070902
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

161ms

188ms

163ms

AAAA

82ms

TXT

327ms

CAA

181ms

HTTPS

175ms

TLSA

130ms

SOA

0ms

MTA-STS

188ms

DNSSEC

280ms

SRV

227ms

Total

2322ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 15:33:13	1818ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 23:54:52	679ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-14 23:10:59	730ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-10 21:48:20	779ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 23:48:57	1024ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-15 15:43:29	875ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-15 13:17:11	16995ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-11 15:13:48	1270ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-09 23:58:29 shown	2322ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-02 00:25:06	763ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 22:47:56	65535ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 21:13:07	1524ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 21:04:55	700ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 21:00:35	488ms	2 NS 1 A 1 MX	🔒 Secure