rockshell.dk DNS records

🖥️ Nameservers7 records 61ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.markmonitor.com	149.112.160.1 2620:10a:80a8::1	— —	AS55195 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements In AS55195 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements In
ns2.markmonitor.com	176.97.158.1 2001:67c:10b8::1	ns2.markmonitor.com ns2.markmonitor.com	AS207021 ipcom GmbH AS207021 ipcom GmbH
ns3.markmonitor.com	149.112.161.1 2620:10a:80a9::1	— —	AS394354 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements I AS394354 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements I
ns4.markmonitor.com	192.174.68.1 2001:67c:1bc::1	ns1.markmonitor.com ns1.markmonitor.com	AS1921 ipcom GmbH AS1921 ipcom GmbH
ns5.markmonitor.com	149.112.160.2 2620:10a:80a8::2	— —	AS55195 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements In AS55195 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements In
ns6.markmonitor.com	176.97.158.3 2001:67c:10b8::3	ns6.markmonitor.com ns6.markmonitor.com	AS207021 ipcom GmbH AS207021 ipcom GmbH
ns7.markmonitor.com	149.112.161.2 2620:10a:80a9::2	— —	AS394354 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements I AS394354 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements I

🌍 A Records1 records 54ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
217.145.55.21	86400s	—	AS47292	Sentia Denmark A/S	217.145.48.0/21	🇩🇰 Denmark	—

📧 MX Records1 records 54ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	86400s	bh.markmonitor.com	—	—	—

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	217.145.55.21
🔶 Autoconfig	217.145.55.21

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 275ms

TXT Record
v=spf1 ~all

✉️ SPF

Policy	Record (rockshell.dk)
~all (soft fail)	v=spf1 ~all

📨 DMARC

Policy	Record (_dmarc.rockshell.dk)
p=none (monitor only)	v=DMARC1;p=none;rua=mailto:2y7cn1fh@ag.eu.dmarcian.com;ruf=mailto:2y7cn1fh@fr.eu.dmarcian.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 / DANE

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

🔐 DNSSEC103ms

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	2022031001
Primary NS (MNAME)	ns1.markmonitor.com
Responsible (RNAME)	hostmaster@markmonitor.com
Refresh	86400s
Retry	3600s
Expire	2592000s
Minimum (neg-cache TTL)	172800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

61ms

A

54ms

MX

54ms

AAAA

39ms

TXT

275ms

CAA

58ms

HTTPS

46ms

TLSA

167ms

SOA

0ms

MTA-STS

97ms

DNSSEC

103ms

SRV

99ms

Total

2200ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 01:33:19	2200ms	7 NS 1 A 1 MX	🔓 Insecure	View
2026-08-25 22:04:29	2399ms	7 NS 1 A 1 MX	🔓 Insecure	View
2026-06-24 17:56:39	3576ms	7 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 11:32:42	1739ms	7 NS 1 A 1 MX	🔓 Insecure	View