altk.dk DNS records

🖥️ Nameservers2 records 89ms

Nameserver	IP addresses	PTR	ASN / ISP
harlan.ns.cloudflare.com	108.162.195.250 162.159.44.250 172.64.35.250 2606:4700:58::a29f:2cfa 2803:f800:50::6ca2:c3fa 2a06:98c1:50::ac40:23fa	harlan.ns.cloudflare.com harlan.ns.cloudflare.com harlan.ns.cloudflare.com harlan.ns.cloudflare.com harlan.ns.cloudflare.com harlan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
nancy.ns.cloudflare.com	108.162.194.84 162.159.38.84 172.64.34.84 2606:4700:50::a29f:2654 2803:f800:50::6ca2:c254 2a06:98c1:50::ac40:2254	nancy.ns.cloudflare.com nancy.ns.cloudflare.com nancy.ns.cloudflare.com nancy.ns.cloudflare.com nancy.ns.cloudflare.com nancy.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 50ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.45.183	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.218.29	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records4 records 52ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx4.spamfri.dk	193.200.91.108 2001:67c:564:fffd::4001	mx4.spamfri.dk mx4.spamfri.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS
20	300s	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	300s	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
40	300s	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

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	193.200.90.102
🔶 Autoconfig	193.200.90.102

🔷 AAAA Records (IPv6)2 records 58ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3037::6815:2db7	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:da1d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 56ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.45.183,172.67.218.29 ech=AEX+DQBBaQAgACCUVdfoFR3sSd8zJ1t0Yw6IvkyakuMC7L3RhZ1n/OZWAwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3037::6815:2db7,2606:4700:3037::ac43:da1d

🔌 SRV Records1 records 89ms

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

📝 TXT Records2 records 202ms

TXT Record
brevo-code:62d8625b4c3bbc38e01ed15cd9276849
v=spf1 +a +mx +ip4:193.200.90.102 include:_spf.e-studio.dk ~all

✉️ SPF

Policy	Record (altk.dk)
~all (soft fail)	v=spf1 +a +mx +ip4:193.200.90.102 include:_spf.e-studio.dk ~all

📨 DMARC

Policy	Record (_dmarc.altk.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.com

📬 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 / DANE4 records 85ms

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…
SMTP _25._tcp.mx4.spamfri.dk	DANE-EE · SPKI · SHA-256	4EE743A99328AEF5142706CA5FD3AD61…

🔐 DNSSEC2083ms

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	2411765336
Primary NS (MNAME)	harlan.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

89ms

A

50ms

MX

52ms

AAAA

58ms

TXT

202ms

CAA

59ms

HTTPS

56ms

TLSA

85ms

SOA

0ms

MTA-STS

79ms

DNSSEC

2083ms

SRV

89ms

Total

3507ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 11:06:12	3507ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-08-10 02:46:42	4552ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-08-05 18:41:04	1915ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-06-28 04:40:49	2417ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-06-24 00:11:29	1152ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-06-20 16:03:26	1432ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-06-16 12:37:23	973ms	2 NS 2 A 4 MX	🔓 Insecure	View