rootsystems.dk

Records from scan: 2026-10-12 17:21:08 · 598ms total · last checked 2026-10-21 09:25 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rootsystems.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 27 March 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.gigahost.dk. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 38ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

🌍

No A records found

📧 MX Records#

1 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	mail.gigahost.dk	89.186.169.85	—	AS47292 Sentia Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	root-systems.dk → 46.183.138.100
🔶 Autoconfig	root-systems.dk → 46.183.138.100

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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

🧩 Web & zone#

checked 2026-10-12 17:21:08

www CNAME	root-systems.dk (all on root-systems.dk) → 46.183.138.100 (AS47292)
www vs bare domain	Only www resolves rootsystems.dk: no address www.rootsystems.dk: 46.183.138.100 (AS47292) (all like this)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.rootsystems.dk	root-systems.dk
TXT	root-systems.dk	protonmail-verification=634830c0d37208bf14f711cf97cbb2f3aa7b5f31

🔗 TLSA / DANE#

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

🔐 DNSSEC#

77ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

38ms

Field	Value
Serial	2026101101
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-12 12:32:24

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2009-03-27
Expires	2027-03-31 (160d)

🔗 Same registrant#

1 domain

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
root-systems.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

38ms

41ms

37ms

AAAA

63ms

TXT

169ms

CAA

55ms

HTTPS

55ms

TLSA

101ms

SOA

38ms

MTA-STS

74ms

DNSSEC

77ms

SRV

78ms

Total

598ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 17:21:08 shown	598ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-17 16:26:14	1875ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-28 05:12:32	657ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-25 17:40:41	2533ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-12 06:48:12	1212ms	2 NS 0 A 1 MX	🔒 Secure
2026-07-18 21:00:08	924ms	2 NS 0 A 1 MX	🔒 Secure
2026-07-15 06:22:18	8979ms	2 NS 0 A 1 MX	🔒 Secure
2026-07-04 23:20:12	4431ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-22 10:04:00	775ms	2 NS 0 A 1 MX	⚠️ Bogus
2026-06-18 07:14:51	774ms	2 NS 0 A 1 MX	🔒 Secure