krystalhulen.dk DNS records

🖥️ Nameservers2 records 38ms

Nameserver	IP addresses	PTR	ASN / ISP
olof.ns.cloudflare.com	108.162.195.51 162.159.44.51 172.64.35.51 2606:4700:58::a29f:2c33 2803:f800:50::6ca2:c333 2a06:98c1:50::ac40:2333	olof.ns.cloudflare.com olof.ns.cloudflare.com olof.ns.cloudflare.com olof.ns.cloudflare.com olof.ns.cloudflare.com olof.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
walk.ns.cloudflare.com	108.162.194.128 162.159.38.128 172.64.34.128 2606:4700:50::a29f:2680 2803:f800:50::6ca2:c280 2a06:98c1:50::ac40:2280	walk.ns.cloudflare.com walk.ns.cloudflare.com walk.ns.cloudflare.com walk.ns.cloudflare.com walk.ns.cloudflare.com walk.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 58ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.13.140	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.132.226	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records2 records 68ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	60s	pmg1.h4r.eu	2a01:4f8:c012:7e77::1 49.12.11.203	pmg1.h4r.eu filter02.h4r.eu	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
20	60s	pmg2.h4r.eu	2001:41d0:701:1100::a6bc 57.129.66.76	filter04.h4r.eu filter04.h4r.eu	AS16276 OVH SAS AS16276 OVH SAS

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	213.184.85.15
🔶 Autoconfig	213.184.85.15

🔷 AAAA Records (IPv6)2 records 43ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:84e2	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::6815:d8c	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 64ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.13.140,172.67.132.226 ech=AEX+DQBBvwAgACCg1cDftMt4SgABk5Igyu67EIXZFVLgmAHuWPZSwe66PAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:84e2,2606:4700:3033::6815:d8c

🔌 SRV Records1 records 79ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	cpanelemaildiscovery.cpanel.net

📝 TXT Records1 records 186ms

TXT Record
v=spf1 ip4:213.184.85.15 include:_relayspf.hosting4real.net ip4:51.195.4.80 ip4:151.80.20.123 ip4:193.70.100.196 +a +mx ~all

✉️ SPF

Policy	Record (krystalhulen.dk)
~all (soft fail)	v=spf1 ip4:213.184.85.15 include:_relayspf.hosting4real.net ip4:51.195.4.80 ip4:151.80.20.123 ip4:193.70.100.196 +a +mx ~all

📨 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 / DANE

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

🔐 DNSSEC84ms

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	2410894166
Primary NS (MNAME)	olof.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

38ms

A

58ms

MX

68ms

AAAA

43ms

TXT

186ms

CAA

53ms

HTTPS

64ms

TLSA

209ms

SOA

0ms

MTA-STS

571ms

DNSSEC

84ms

SRV

79ms

Total

1195ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 12:11:16	1195ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-07 11:11:52	2578ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-07-30 02:54:06	10366ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-07-28 12:05:21	1298ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-07-27 07:58:40	1393ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-07-26 07:24:54	2299ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-07-25 06:49:19	9946ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-07-24 06:05:54	1107ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-07-23 05:10:49	1229ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-07-21 01:25:15	9901ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-07-19 05:22:06	3565ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-07-18 03:47:01	5683ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-07-16 00:20:46	1215ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-07-13 19:30:06	1509ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-07-12 01:45:49	10006ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-07-10 15:43:50	8920ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-07-08 13:34:59	2438ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-07-06 11:21:10	1380ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-07-04 21:02:56	9889ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-07-03 12:34:59	960ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-06-30 23:00:52	1030ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-06-27 15:18:00	870ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-06-26 04:43:16	897ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-06-25 17:39:00	945ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-06-23 09:39:55	1078ms	0 NS 0 A 0 MX	❓ Unknown	View