celau.dk

Records from scan: 2026-10-10 16:17:22 · 777ms total · last checked 2026-10-17 06:50 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

celau.dk is a .dk domain served by 2 nameservers (jerry.ns.cloudflare.com, lana.ns.cloudflare.com). It was registered on 16 March 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by eu-esec-01.heimdalsecurity.com, eu-esec-02.heimdalsecurity.com. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 38ms

Nameserver	IP addresses	PTR	ASN / ISP
jerry.ns.cloudflare.com	108.162.193.182 172.64.33.182 173.245.59.182 2606:4700:58::adf5:3bb6 2803:f800:50::6ca2:c1b6 2a06:98c1:50::ac40:21b6	jerry.ns.cloudflare.com jerry.ns.cloudflare.com jerry.ns.cloudflare.com jerry.ns.cloudflare.com jerry.ns.cloudflare.com jerry.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
lana.ns.cloudflare.com	108.162.192.182 172.64.32.182 173.245.58.182 2606:4700:50::adf5:3ab6 2803:f800:50::6ca2:c0b6 2a06:98c1:50::ac40:20b6	lana.ns.cloudflare.com lana.ns.cloudflare.com lana.ns.cloudflare.com lana.ns.cloudflare.com lana.ns.cloudflare.com lana.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

🌍

No A records found

📧 MX Records#

2 records 38ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	eu-esec-01.heimdalsecurity.com	20.50.183.144 20.50.183.146	eu-esec-01.heimdalsecurity.com eu-esec-01.heimdalsecurity.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
10	300s	eu-esec-02.heimdalsecurity.com	20.50.183.144 20.50.183.146	eu-esec-01.heimdalsecurity.com eu-esec-01.heimdalsecurity.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.154.136

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 168ms

TXT Record
_globalsign-domain-verification=91lkRuOUIAKw323dLmgBkcySDEipWc3HMDfpAJTwi2
MS=ms23189001
v=spf1 ip4:87.61.101.58 include:spf-esec.heimdalsecurity.com include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (celau.dk)
-all (hard fail)	v=spf1 ip4:87.61.101.58 include:spf-esec.heimdalsecurity.com include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.celau.dk)
p=reject	v=DMARC1; p=reject; 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#

checked 2026-10-10 16:17:22

www	NXDOMAIN
www vs bare domain	Neither resolves celau.dk: no address www.celau.dk: no address
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.celau.dk	ifMWSXTe8r-ekOyhuBFIObOLLUqfvFD3iHqvCRqrDk4

🔗 TLSA / DANE#

2 records 156ms

Service / Owner	Type	Cert association
SMTP _25._tcp.eu-esec-01.heimdalsecurity.com	DANE-EE · SPKI · SHA-256	2E8933DD6DB99304A5A9D5C4ECDE7B8E…
SMTP _25._tcp.eu-esec-02.heimdalsecurity.com	DANE-EE · SPKI · SHA-256	2E8933DD6DB99304A5A9D5C4ECDE7B8E…

🔐 DNSSEC#

104ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

32ms

Field	Value
Serial	2417109901
Primary NS (MNAME)	jerry.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-10 16:40:37

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1999-03-16
Expires	2033-03-31 (2357d)

📋 WHOIS#

⏱️ Lookup Timing#

38ms

35ms

38ms

AAAA

34ms

TXT

168ms

CAA

41ms

HTTPS

35ms

TLSA

156ms

SOA

32ms

MTA-STS

51ms

DNSSEC

104ms

SRV

50ms

Total

777ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 16:17:22 shown	777ms	2 NS 0 A 2 MX	🔓 Insecure
2026-09-30 06:36:12	967ms	2 NS 0 A 2 MX	🔓 Insecure
2026-09-20 20:24:17	838ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-18 21:25:37	1250ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-02 15:08:18	774ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-01 13:49:43	1816ms	2 NS 1 A 2 MX	🔓 Insecure
2026-08-30 01:42:51	790ms	2 NS 1 A 2 MX	🔓 Insecure
2026-08-26 11:28:38	696ms	2 NS 1 A 2 MX	🔓 Insecure
2026-08-14 11:51:37	2493ms	2 NS 1 A 2 MX	🔓 Insecure
2026-07-22 15:55:00	1675ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-30 13:59:47	1042ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-28 03:55:40	1971ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-22 21:19:53	872ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-20 10:38:56	506ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-16 20:55:27	29463ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-16 20:18:32	2011ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-16 20:12:45	444ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-16 20:00:58	686ms	2 NS 1 A 2 MX	🔓 Insecure