celau.dk DNS records

🖥️ Nameservers2 records 32ms

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 Records1 records 44ms

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 Records2 records 7ms

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

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 52ms

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

🔏 ACME Challenge

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

🔗 TLSA / DANE2 records 303ms

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…

🔐 DNSSEC161ms

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

🏷️ SOA10ms

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

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

32ms

A

44ms

MX

7ms

AAAA

8ms

TXT

52ms

CAA

8ms

HTTPS

56ms

TLSA

303ms

SOA

10ms

MTA-STS

21ms

DNSSEC

161ms

SRV

0ms

Total

1816ms

🕐 Scan History

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