celau.dk

📜 Historical scan 2026-09-02 15:08:18 · ← Latest scan

⬇ 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. Its website address 35.204.150.5 is hosted by Google LLC (AS396982) in The Netherlands. 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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 43ms

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#

1 records 47ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
35.204.150.5	600s	5.150.204.35.bc.googleusercontent.com	AS396982	Google LLC	35.204.0.0/15	🇳🇱 The Netherlands	Groningen

📧 MX Records#

2 records 44ms

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 → 40.104.116.24

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 213ms

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#

latest probe, not this scan · 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 134ms

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#

76ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2413446848
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 (2356d)

📋 WHOIS#

⏱️ Lookup Timing#

43ms

47ms

44ms

AAAA

38ms

TXT

213ms

CAA

37ms

HTTPS

41ms

TLSA

134ms

SOA

0ms

MTA-STS

55ms

DNSSEC

76ms

SRV

68ms

Total

774ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 16:17:22	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 shown	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