rieckflow.dk

📜 Historical scan 2026-09-28 01:55:11 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rieckflow.dk is a .dk domain served by 2 nameservers (houston.ns.cloudflare.com, opal.ns.cloudflare.com). It was registered on 31 July 2026 (WHOIS) and first appeared in the .dk zone on 1 August 2026. Its website address 104.21.2.97 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by .. The zone is not DNSSEC-signed, 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 65ms

Nameserver	IP addresses	PTR	ASN / ISP
houston.ns.cloudflare.com	108.162.195.52 162.159.44.52 172.64.35.52 2606:4700:58::a29f:2c34 2803:f800:50::6ca2:c334 2a06:98c1:50::ac40:2334	houston.ns.cloudflare.com houston.ns.cloudflare.com houston.ns.cloudflare.com houston.ns.cloudflare.com houston.ns.cloudflare.com houston.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
opal.ns.cloudflare.com	108.162.194.100 162.159.38.100 172.64.34.100 2606:4700:50::a29f:2664 2803:f800:50::6ca2:c264 2a06:98c1:50::ac40:2264	opal.ns.cloudflare.com opal.ns.cloudflare.com opal.ns.cloudflare.com opal.ns.cloudflare.com opal.ns.cloudflare.com opal.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 40ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.2.97	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.129.14	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	. Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)#

2 records 57ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:261	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:810e	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 36ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.2.97,172.67.129.14 ech=AEX+DQBBKwAgACDyqL1QnNu4VJf6iL2Ep0hR+31e0fYQsg6p+vZuYNyNYQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:261,2606:4700:3037::ac43:810e

📝 TXT Records#

2 records 218ms

TXT Record
google-site-verification=A_ty39hflCJAfip7l2E1h4Fx4PlAFsYt8262_AtfvVs
v=spf1 -all

✉️ SPF#

Policy	Record (rieckflow.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.rieckflow.dk)
p=reject	v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; pct=100; rua=mailto:adm@rieckflow.com

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

13 records 46ms

Flags	Tag	Value
0	iodef	mailto:adm@rieckflow.com
0	issue	comodoca.com
0	issue	digicert.com; cansignhttpexchanges=yes
0	issue	letsencrypt.org
0	issue	pki.goog; cansignhttpexchanges=yes
0	issue	sectigo.com
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	sectigo.com
0	issuewild	ssl.com

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-12 16:28:01

www	104.21.2.97 172.67.129.14 2606:4700:3031::6815:261 2606:4700:3037::ac43:810e (AS13335) (address records, no CNAME)
www vs bare domain	Same network rieckflow.dk: 104.21.2.97 172.67.129.14 2606:4700:3031::6815:261 2606:4700:3037::ac43:810e (AS13335) www.rieckflow.dk: 104.21.2.97 172.67.129.14 2606:4700:3031::6815:261 2606:4700:3037::ac43:810e (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

111ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2415152978
Primary NS (MNAME)	houston.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-08-02 14:37:36

Field	Value
Registrar	ONE.COM A/S
Registered	2026-07-31
Expires	2027-07-30 (285d)

📋 WHOIS#

⏱️ Lookup Timing#

65ms

40ms

42ms

AAAA

57ms

TXT

218ms

CAA

46ms

HTTPS

36ms

TLSA

84ms

SOA

0ms

MTA-STS

70ms

DNSSEC

111ms

SRV

101ms

Total

1260ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 16:28:01	563ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-30 02:36:50	956ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-29 02:27:53	789ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-28 01:55:11 shown	1260ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-21 03:46:41	3047ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-07 13:51:44	10333ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-25 15:23:39	1964ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-20 09:45:02	3541ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-02 14:36:18	1016ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-01 08:31:43	2471ms	2 NS 0 A 1 MX	🔓 Insecure