sleddog.dk DNS records

🖥️ Nameservers2 records 69ms

Nameserver	IP addresses	PTR	ASN / ISP
bob.ns.cloudflare.com	108.162.193.104 172.64.33.104 173.245.59.104 2606:4700:58::adf5:3b68 2803:f800:50::6ca2:c168 2a06:98c1:50::ac40:2168	bob.ns.cloudflare.com bob.ns.cloudflare.com bob.ns.cloudflare.com bob.ns.cloudflare.com bob.ns.cloudflare.com bob.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
melissa.ns.cloudflare.com	108.162.192.199 172.64.32.199 173.245.58.199 2606:4700:50::adf5:3ac7 2803:f800:50::6ca2:c0c7 2a06:98c1:50::ac40:20c7	melissa.ns.cloudflare.com melissa.ns.cloudflare.com melissa.ns.cloudflare.com melissa.ns.cloudflare.com melissa.ns.cloudflare.com melissa.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 82ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.85.102	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.204.115	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records4 records 120ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mxext1.mailbox.org	2001:67c:2050:104:0:1:25:1 80.241.60.212	mx1.mailbox.org mx1.mailbox.org	AS199118 Heinlein-Support GmbH AS199118 Heinlein-Support GmbH
10	300s	mxext2.mailbox.org	2001:67c:2050:104:0:2:25:1 80.241.60.215	mx2.mailbox.org mx2.mailbox.org	AS199118 Heinlein-Support GmbH AS199118 Heinlein-Support GmbH
10	300s	mxext3.mailbox.org	2001:67c:2050:104:0:3:25:1 80.241.60.216	mx3.mailbox.org mx3.mailbox.org	AS199118 Heinlein-Support GmbH AS199118 Heinlein-Support GmbH
10	300s	mxext4.mailbox.org	2001:67c:2050:104:0:4:25:1 80.241.60.217	mx4.mailbox.org mx4.mailbox.org	AS199118 Heinlein-Support GmbH AS199118 Heinlein-Support GmbH

🔷 AAAA Records (IPv6)2 records 109ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:cc73	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::6815:5566	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 123ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.85.102,172.67.204.115 ech=AEX+DQBBuAAgACBUiZzoF+8Qp/q0L7Fr7o9wQWl41LLlrVZI/zMql40BGAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:cc73,2606:4700:3033::6815:5566

📝 TXT Records1 records 385ms

TXT Record
v=spf1 include:mailbox.org ~all

✉️ SPF

Policy	Record (sleddog.dk)
~all (soft fail)	v=spf1 include:mailbox.org ~all

📨 DMARC

Policy	Record (_dmarc.sleddog.dk)
p=quarantine	v=DMARC1;p=quarantine;rua=mailto:ce1546c9f6c643e68edbfdf1922a4003@dmarc-reports.cloudflare.net

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records10 records 121ms

Flags	Tag	Value
0	issue	comodoca.com
0	issue	digicert.com; cansignhttpexchanges=yes
0	issue	letsencrypt.org
0	issue	pki.goog; cansignhttpexchanges=yes
0	issue	ssl.com
0	issuewild	comodoca.com
0	issuewild	digicert.com; cansignhttpexchanges=yes
0	issuewild	letsencrypt.org
0	issuewild	pki.goog; cansignhttpexchanges=yes
0	issuewild	ssl.com

🔗 TLSA / DANE12 records 249ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mxext1.mailbox.org	DANE-EE · SPKI · SHA-256	E41CC7633029AFDBA53744D7E5FC31EF…
SMTP _25._tcp.mxext1.mailbox.org	DANE-EE · SPKI · SHA-256	996AD31D65E03F038B8EC950F6F26611…
SMTP _25._tcp.mxext1.mailbox.org	DANE-EE · SPKI · SHA-256	4758AF6F02DFB5DC8795FA402E77A8A0…
SMTP _25._tcp.mxext2.mailbox.org	DANE-EE · SPKI · SHA-256	4758AF6F02DFB5DC8795FA402E77A8A0…
SMTP _25._tcp.mxext2.mailbox.org	DANE-EE · SPKI · SHA-256	E41CC7633029AFDBA53744D7E5FC31EF…
SMTP _25._tcp.mxext2.mailbox.org	DANE-EE · SPKI · SHA-256	996AD31D65E03F038B8EC950F6F26611…
SMTP _25._tcp.mxext3.mailbox.org	DANE-EE · SPKI · SHA-256	E41CC7633029AFDBA53744D7E5FC31EF…
SMTP _25._tcp.mxext3.mailbox.org	DANE-EE · SPKI · SHA-256	4758AF6F02DFB5DC8795FA402E77A8A0…
SMTP _25._tcp.mxext3.mailbox.org	DANE-EE · SPKI · SHA-256	996AD31D65E03F038B8EC950F6F26611…
SMTP _25._tcp.mxext4.mailbox.org	DANE-EE · SPKI · SHA-256	E41CC7633029AFDBA53744D7E5FC31EF…
SMTP _25._tcp.mxext4.mailbox.org	DANE-EE · SPKI · SHA-256	4758AF6F02DFB5DC8795FA402E77A8A0…
SMTP _25._tcp.mxext4.mailbox.org	DANE-EE · SPKI · SHA-256	996AD31D65E03F038B8EC950F6F26611…

🔐 DNSSEC262ms

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

🏷️ SOA0ms

Field	Value
Serial	2413519677
Primary NS (MNAME)	bob.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

69ms

A

82ms

MX

120ms

AAAA

109ms

TXT

385ms

CAA

121ms

HTTPS

123ms

TLSA

249ms

SOA

0ms

MTA-STS

205ms

DNSSEC

262ms

SRV

189ms

Total

3202ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 05:28:32	3202ms	2 NS 2 A 4 MX	🔒 Secure	View
2026-08-28 12:46:21	3371ms	2 NS 2 A 4 MX	🔒 Secure	View
2026-08-23 06:11:33	4770ms	2 NS 2 A 4 MX	🔒 Secure	View
2026-08-08 02:37:46	2028ms	2 NS 2 A 4 MX	🔒 Secure	View
2026-08-05 04:47:33	2989ms	2 NS 2 A 4 MX	🔒 Secure	View
2026-08-01 22:18:31	2956ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-07-05 20:40:49	10277ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-06-26 01:37:35	1278ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-06-23 23:55:14	7598ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-06-23 07:42:25	1019ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 16:30:23	973ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 06:05:33	4858ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-06-18 04:31:20	1504ms	2 NS 2 A 3 MX	🔒 Secure	View