rootkit.dk

📜 Historical scan 2026-08-29 21:37:17 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rootkit.dk is a .dk domain served by 2 nameservers (diva.ns.cloudflare.com, frank.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.62.148 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 70ms

Nameserver	IP addresses	PTR	ASN / ISP
diva.ns.cloudflare.com	108.162.192.97 172.64.32.97 173.245.58.97 2606:4700:50::adf5:3a61 2803:f800:50::6ca2:c061 2a06:98c1:50::ac40:2061	diva.ns.cloudflare.com diva.ns.cloudflare.com diva.ns.cloudflare.com diva.ns.cloudflare.com diva.ns.cloudflare.com diva.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
frank.ns.cloudflare.com	108.162.193.166 172.64.33.166 173.245.59.166 2606:4700:58::adf5:3ba6 2803:f800:50::6ca2:c1a6 2a06:98c1:50::ac40:21a6	frank.ns.cloudflare.com frank.ns.cloudflare.com frank.ns.cloudflare.com frank.ns.cloudflare.com frank.ns.cloudflare.com frank.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 90ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.62.148	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.136.180	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

5 records 85ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	142.251.127.27 2a00:1450:4001:c21::1b	lcfrai-in-f27.1e100.net lcfrai-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.com	142.250.147.26 2a00:1450:4025:c01::1b	rd-in-f26.1e100.net rd-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt2.aspmx.l.google.com	172.253.152.27 2a00:1450:4010:c22::1b	yulpptr-in-f27.1e100.net yulpptr-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	aspmx2.googlemail.com	142.250.147.27 2a00:1450:4025:c01::1a	rd-in-f27.1e100.net rd-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	aspmx3.googlemail.com	172.253.152.26 2a00:1450:4010:c22::1a	yulpptr-in-f26.1e100.net yulpptr-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 102ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:3e94	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3031::ac43:88b4	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 102ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.62.148,172.67.136.180 ech=AEX+DQBBrQAgACCyYUtu+hjEKpfaUBb9so9Jt4Ua7vJpLWUs6ahSnP5/WwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:3e94,2606:4700:3031::ac43:88b4

📝 TXT Records#

3 records 315ms

TXT Record
ahrefs-site-verification_4e7b3a9f1235a840167f5a962297eed0ce7c02662a0e0e5ab72c1a0fae2ec7b8
google-site-verification=r6j4u-_aVAd2LVerJERyIa-2-AQjTAzcw8KmWDcQF6c
v=spf1 include:_spf.google.com ~all

✉️ SPF#

Policy	Record (rootkit.dk)
~all (soft fail)	v=spf1 include:_spf.google.com ~all

📨 DMARC#

Policy	Record (_dmarc.rootkit.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:postmaster@rootkit.dk

📬 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#

latest probe, not this scan · checked 2026-10-16 17:40:43

www	104.21.62.148 172.67.136.180 2606:4700:3031::6815:3e94 2606:4700:3031::ac43:88b4 (AS13335) (address records, no CNAME)
www vs bare domain	Same network rootkit.dk: 104.21.62.148 172.67.136.180 2606:4700:3031::6815:3e94 2606:4700:3031::ac43:88b4 (AS13335) www.rootkit.dk: 104.21.62.148 172.67.136.180 2606:4700:3031::6815:3e94 2606:4700:3031::ac43:88b4 (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Delete signal: the zone asks the registry to remove its DS (go insecure) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.rootkit.dk	UFwIuk-69lPP6uAkFsSAQ8w3Lq5k_1v5FxkXNAFXAl8
TXT	_acme-challenge.rootkit.dk	WAdxfCDMC0V26kHgCK2GEJb4sahMtaeamAqRBMX06Sg

🔗 TLSA / DANE#

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

🔐 DNSSEC#

245ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2413515530
Primary NS (MNAME)	diva.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

70ms

90ms

85ms

AAAA

102ms

TXT

315ms

CAA

97ms

HTTPS

102ms

TLSA

303ms

SOA

0ms

MTA-STS

143ms

DNSSEC

245ms

SRV

136ms

Total

2156ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 17:40:43	720ms	2 NS 2 A 5 MX	🔒 Secure
2026-10-12 05:13:58	898ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-30 19:49:55	667ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-27 12:24:10	826ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-23 20:04:13	869ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-03 15:58:33	699ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-29 21:37:17 shown	2156ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-13 19:39:42	4795ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-06 01:06:16	1706ms	2 NS 2 A 5 MX	🔒 Secure
2026-07-12 07:38:55	10257ms	2 NS 2 A 5 MX	🔒 Secure
2026-06-25 03:22:09	2862ms	2 NS 2 A 5 MX	🔒 Secure
2026-06-23 17:31:56	946ms	2 NS 2 A 5 MX	🔒 Secure
2026-06-19 13:38:43	4796ms	2 NS 2 A 5 MX	🔒 Secure
2026-06-18 03:55:20	1196ms	2 NS 2 A 5 MX	🔒 Secure