sixtondk.dk DNS records

🖥️ Nameservers4 records 42ms

Nameserver	IP addresses	PTR	ASN / ISP
intention.ns01.nl	2001:678:be4:8::2 87.239.8.2	intention.ns01.nl intention.ns01.nl	AS207647 Intention B.V. AS207647 Intention B.V.
intention.ns02.nl	2001:678:be4:9::3 87.239.9.3	intention.ns02.nl intention.ns02.nl	AS207647 Intention B.V. AS207647 Intention B.V.
intention.ns03.nl	2a04:3544:1000:1510:8cc4:acff:fe62:1dad 85.9.219.98	status.intention.nl status.intention.nl	AS202053 UpCloud Ltd AS202053 UpCloud Ltd
intention.ns04.org	198.58.97.69 2600:3c00::f03c:91ff:feae:2d59	intention.ns04.org intention.ns04.org	AS63949 Akamai Connected Cloud AS63949 Akamai Connected Cloud

🌍 A Records1 records 161ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
87.239.8.18	1000s	redirects.intention.nl	AS207647	Intention B.V.	87.239.8.0/23	🇳🇱 The Netherlands	—

📧 MX Records1 records 153ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	1000s	mail.doorstuurserver.nl	2001:678:be4:8::19 87.239.8.19	doorstuurserver.nl doorstuurserver.nl	AS207647 Intention B.V. AS207647 Intention B.V.

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	87.239.8.18
🔶 Autoconfig	87.239.8.18

🔷 AAAA Records (IPv6)1 records 47ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2001:678:be4:8::18	1000s	v1.doorstuurserver.nl	AS207647	Intention B.V.	2001:678:be4:0:0:0:0:0/48	🇳🇱 The Netherlands	Boekel

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records

📝

No TXT records found

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 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

🔗 TLSA / DANE1 records 835ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail.doorstuurserver.nl	DANE-EE · SPKI · SHA-256	F934229B8324811EF475B75B96212468…

🔐 DNSSEC179ms

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

🏷️ SOA0ms

Field	Value
Serial	2021115156
Primary NS (MNAME)	intention.ns01.nl
Responsible (RNAME)	hostmaster@intention.nl
Refresh	86400s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

42ms

A

161ms

MX

153ms

AAAA

47ms

TXT

271ms

CAA

38ms

HTTPS

155ms

TLSA

835ms

SOA

0ms

MTA-STS

180ms

DNSSEC

179ms

SRV

198ms

Total

1599ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 17:12:27	1599ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-20 08:09:22	2617ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-13 07:05:27	3430ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-07 02:51:58	3284ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-30 03:19:38	11841ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-23 20:26:00	9766ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-16 11:52:35	18071ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-09 17:29:58	3771ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-02 15:14:29	6000ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-18 07:27:29	5544ms	4 NS 1 A 1 MX	🔓 Insecure	View