511dk.dk

📜 Historical scan 2026-06-20 01:58:28 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

511dk.dk is a .dk domain served by 2 nameservers (abby.ns.cloudflare.com, olof.ns.cloudflare.com). It was registered on 28 April 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.28.16 is hosted by Cloudflare, Inc. (AS13335). 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 50ms

Nameserver	IP addresses	PTR	ASN / ISP
abby.ns.cloudflare.com	108.162.192.100 172.64.32.100 173.245.58.100 2606:4700:50::adf5:3a64 2803:f800:50::6ca2:c064 2a06:98c1:50::ac40:2064	abby.ns.cloudflare.com abby.ns.cloudflare.com abby.ns.cloudflare.com abby.ns.cloudflare.com abby.ns.cloudflare.com abby.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
olof.ns.cloudflare.com	108.162.195.51 162.159.44.51 172.64.35.51 2606:4700:58::a29f:2c33 2803:f800:50::6ca2:c333 2a06:98c1:50::ac40:2333	olof.ns.cloudflare.com olof.ns.cloudflare.com olof.ns.cloudflare.com olof.ns.cloudflare.com olof.ns.cloudflare.com olof.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 53ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.28.16	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.170.41	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	172.67.170.41
🔶 Autoconfig	172.67.170.41

🔷 AAAA Records (IPv6)#

2 records 48ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:1c10	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:aa29	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 53ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.28.16,172.67.170.41 ech=AEX+DQBB9AAgACCOdTF6+CW2wla+1htYnDmOCCHTj7SxuWbOZGzzmIKrOwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:1c10,2606:4700:3033::ac43:aa29

📝 TXT Records#

1 records 187ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (511dk.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.511dk.dk)
p=reject	v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s;

📬 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 2026-10-10 04:06:42

www	104.21.28.16 172.67.170.41 2606:4700:3033::6815:1c10 2606:4700:3033::ac43:aa29 (AS13335) (address records, no CNAME)
www vs bare domain	Same network 511dk.dk: 104.21.28.16 172.67.170.41 2606:4700:3033::6815:1c10 2606:4700:3033::ac43:aa29 (AS13335) www.511dk.dk: 104.21.28.16 172.67.170.41 2606:4700:3033::6815:1c10 2606:4700:3033::ac43:aa29 (AS13335)
Wildcard	Yes: any name under the zone resolves

🔎 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#

136ms

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

🏷️ SOA#

42ms

Field	Value
Serial	2405414570
Primary NS (MNAME)	abby.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-05 14:29:16

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2012-04-28
Expires	2030-07-31 (1380d)

📋 WHOIS#

⏱️ Lookup Timing#

50ms

53ms

48ms

AAAA

48ms

TXT

187ms

CAA

58ms

HTTPS

53ms

TLSA

1201ms

SOA

42ms

MTA-STS

64ms

DNSSEC

136ms

SRV

749ms

Total

2159ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 00:58:31	910ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-23 14:46:16	670ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-04 06:05:44	1074ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-26 13:33:27	487ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-24 21:01:45	750ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-26 08:53:32	16772ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-20 01:58:28 shown	2159ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-18 23:31:31	936ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-16 12:58:08	1222ms	2 NS 2 A 0 MX	🔓 Insecure