krystal.dk DNS records

🖥️ Nameservers3 records 75ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.e-studio.dk	195.242.131.5 2001:67c:564:fffc::11	ns1.e-studio.dk ns1.e-studio.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS
ns2.e-studio.dk	2a00:1b18:2:3::2 62.69.152.34	ns2.e-studio.dk ns2.e-studio.dk	AS47527 DLX A/S AS47527 DLX A/S
ns3.e-studio.dk	193.200.90.183 2001:67c:564:fffc::13	ns3.e-studio.dk ns3.e-studio.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS

🌍 A Records1 records 91ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.223.235.80	14400s	imali.pil.dk	AS47527	DLX A/S	91.223.235.0/24	🇩🇰 Denmark	—

📧 MX Records3 records 77ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.spamfri.dk	195.242.131.16 2001:67c:564:fffd::1001	mx1.spamfri.dk mx1.spamfri.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS
20	3600s	mx2.spamfri.dk	193.200.91.109 2001:67c:564:fffd::2001	mx2.spamfri.dk mx2.spamfri.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS
30	3600s	mx3.spamfri.dk	2a00:1b18:2:3:fe::2 62.69.152.43 62.69.152.43	mx3.spamfri.dk 43.34-46.152.69.62.in-addr.arpa mx3.spamfri.dk	AS47527 DLX A/S AS47527 DLX A/S AS47527 DLX A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	195.242.130.94
🔶 Autoconfig	195.242.130.94

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 191ms

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

📝 TXT Records1 records 573ms

TXT Record
v=spf1 include:_spf.e-studio.dk include:send.heysender.com -all

✉️ SPF

Policy	Record (krystal.dk)
-all (hard fail)	v=spf1 include:_spf.e-studio.dk include:send.heysender.com -all

📨 DMARC

Policy	Record (_dmarc.krystal.dk)
p=none (monitor only)	v=DMARC1; p=none

📬 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.krystal.dk	fnIR1HYCtxviuK35WYYv30DoFU2ZDhqJeQE0hMfPa2c

🔗 TLSA / DANE3 records 212ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.spamfri.dk	DANE-EE · SPKI · SHA-256	884451547A03D0AC2F628D943839BAA6…
SMTP _25._tcp.mx2.spamfri.dk	DANE-EE · SPKI · SHA-256	6598C93F79B95376BB8099E9AC862167…
SMTP _25._tcp.mx3.spamfri.dk	DANE-EE · SPKI · SHA-256	BBFB0694919290E5BC9D6E2C6F47D846…

🔐 DNSSEC246ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	2026090106
Primary NS (MNAME)	ns1.e-studio.dk
Responsible (RNAME)	hostmaster@mailrelay.e-studio.dk
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

75ms

A

91ms

MX

77ms

AAAA

88ms

TXT

573ms

CAA

152ms

HTTPS

75ms

TLSA

212ms

SOA

0ms

MTA-STS

190ms

DNSSEC

246ms

SRV

191ms

Total

1515ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 22:11:54	1515ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-30 18:47:53	564ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-29 06:14:46	846ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-28 05:36:51	633ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-27 05:24:47	890ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-26 14:28:01	2214ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-25 09:07:55	2154ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-24 08:44:29	1383ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-23 03:37:24	11135ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-22 03:25:42	7292ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-21 03:16:20	6573ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-20 02:58:06	2067ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-18 23:01:43	7265ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-17 19:37:02	1745ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-16 00:32:10	3321ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-14 11:07:38	26403ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-13 04:47:49	6959ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-11 17:17:07	965ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-09 16:35:13	2600ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-07 07:04:20	1066ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-08-01 07:19:34	979ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-07-27 23:29:44	938ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-07-26 22:09:58	2337ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-07-25 21:57:15	9303ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-07-24 21:13:52	954ms	3 NS 1 A 3 MX	🔒 Secure	View