reverse.dk

📜 Historical scan 2026-08-06 15:31:04 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

reverse.dk is a .dk domain served by 2 nameservers (demi.ns.cloudflare.com, otto.ns.cloudflare.com). It was registered on 13 February 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. 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 51ms

Nameserver	IP addresses	PTR	ASN / ISP
demi.ns.cloudflare.com	108.162.192.95 172.64.32.95 173.245.58.95 2606:4700:50::adf5:3a5f 2803:f800:50::6ca2:c05f 2a06:98c1:50::ac40:205f	demi.ns.cloudflare.com demi.ns.cloudflare.com demi.ns.cloudflare.com demi.ns.cloudflare.com demi.ns.cloudflare.com demi.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
otto.ns.cloudflare.com	108.162.195.135 162.159.44.135 172.64.35.135 2606:4700:58::a29f:2c87 2803:f800:50::6ca2:c387 2a06:98c1:50::ac40:2387	otto.ns.cloudflare.com otto.ns.cloudflare.com otto.ns.cloudflare.com otto.ns.cloudflare.com otto.ns.cloudflare.com otto.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

🌍

No A records found

📧 MX Records#

5 records 108ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	2a00:1450:4010:c20::1b 74.125.205.27	yulppbn-in-f27.1e100.net le-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1a	mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1a	so-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1a	tp-in-f26.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 263ms

TXT Record
google-site-verification=N_kCz2AITKdJqetHuahcqKhciEnJNxBhdGwVJClUwXI
v=spf1 include:_spf.google.com -all

✉️ SPF#

Policy	Record (reverse.dk)
-all (hard fail)	v=spf1 include:_spf.google.com -all

📨 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#

latest probe, not this scan · checked 2026-10-10 13:24:35

www	Exists, no address
www vs bare domain	Neither resolves reverse.dk: no address www.reverse.dk: no address
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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

137ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2410815011
Primary NS (MNAME)	demi.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-09 12:08:29

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2001-02-13
Expires	2027-03-31 (159d)

📋 WHOIS#

⏱️ Lookup Timing#

51ms

98ms

108ms

AAAA

65ms

TXT

263ms

CAA

50ms

HTTPS

59ms

TLSA

109ms

SOA

0ms

MTA-STS

116ms

DNSSEC

137ms

SRV

155ms

Total

1609ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 13:24:34	2000ms	2 NS 0 A 5 MX	🔒 Secure
2026-10-09 11:45:19	2034ms	2 NS 0 A 5 MX	🔒 Secure
2026-09-23 02:44:13	1632ms	2 NS 0 A 5 MX	🔒 Secure
2026-09-21 02:38:12	1358ms	2 NS 0 A 5 MX	🔒 Secure
2026-09-15 17:26:53	1789ms	2 NS 0 A 5 MX	🔒 Secure
2026-08-28 04:46:43	1057ms	2 NS 0 A 5 MX	🔒 Secure
2026-08-22 22:25:14	1541ms	2 NS 0 A 5 MX	🔒 Secure
2026-08-12 04:40:26	3825ms	2 NS 0 A 5 MX	🔒 Secure
2026-08-06 15:31:04 shown	1609ms	2 NS 0 A 5 MX	🔒 Secure
2026-07-23 20:51:27	1369ms	2 NS 0 A 5 MX	🔒 Secure
2026-07-05 21:39:21	6739ms	2 NS 0 A 5 MX	🔒 Secure
2026-06-18 07:30:15	973ms	2 NS 0 A 5 MX	🔒 Secure