fsquare.dk

📜 Historical scan 2026-07-03 09:43:46 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

fsquare.dk is a .dk domain served by 2 nameservers (terry.ns.cloudflare.com, tina.ns.cloudflare.com). It was registered on 3 July 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.58.91 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 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 38ms

Nameserver	IP addresses	PTR	ASN / ISP
terry.ns.cloudflare.com	108.162.193.237 172.64.33.237 173.245.59.237 2606:4700:58::adf5:3bed 2803:f800:50::6ca2:c1ed 2a06:98c1:50::ac40:21ed	terry.ns.cloudflare.com terry.ns.cloudflare.com terry.ns.cloudflare.com terry.ns.cloudflare.com terry.ns.cloudflare.com terry.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
tina.ns.cloudflare.com	108.162.192.230 172.64.32.230 173.245.58.230 2606:4700:50::adf5:3ae6 2803:f800:50::6ca2:c0e6 2a06:98c1:50::ac40:20e6	tina.ns.cloudflare.com tina.ns.cloudflare.com tina.ns.cloudflare.com tina.ns.cloudflare.com tina.ns.cloudflare.com tina.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
104.21.58.91	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.202.136	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

5 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	173.194.221.27 2a00:1450:4010:c07::1b 2a00:1450:4010:c07::1b	lm-in-f27.1e100.net lf-in-x1b.1e100.net lf-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.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	alt3.aspmx.l.google.com	108.177.125.27 2404:6800:4008:c01::1b	tp-in-f27.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	192.178.230.27 2404:6800:400b:c01b::1b	yunrtab-in-f27.1e100.net yunrtab-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 40ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:3a5b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::ac43:ca88	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 37ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.58.91,172.67.202.136 ech=AEX+DQBBxgAgACDPG2sH0ibK36tBQ9skfsNrDoE3DKxCODiRmIo5mMoWOgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:3a5b,2606:4700:3032::ac43:ca88

📝 TXT Records#

2 records 225ms

TXT Record
google-site-verification=12UEjmHMpvFCBtPYBvoVHR4ZdLG1DZbQ2hnUwuaAVDQ
v=spf1 include:_spf.google.com ~all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.fsquare.dk)
p=reject	v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; rua=mailto:69429f7ac80042139b057d241a52752d@dmarc-reports.cloudflare.net;

📬 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 2026-10-14 01:26:15

www	104.21.58.91 172.67.202.136 2606:4700:3037::6815:3a5b 2606:4700:3037::ac43:ca88 (AS13335) (address records, no CNAME)
www vs bare domain	Same network fsquare.dk: 104.21.58.91 172.67.202.136 2606:4700:3037::6815:3a5b 2606:4700:3037::ac43:ca88 (AS13335) www.fsquare.dk: 104.21.58.91 172.67.202.136 2606:4700:3037::6815:3a5b 2606:4700:3037::ac43:ca88 (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

✍️ DKIM keys#

7 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit
dkim	—	RSA · ~2048 bit
google	—	RSA · ~2048 bit
k1	—	RSA · ~2048 bit
mail	—	RSA · ~2048 bit
s1	—	RSA · ~2048 bit
s2	—	RSA · ~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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

9070ms

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

🏷️ SOA#

39ms

Field	Value
Serial	2407193300
Primary NS (MNAME)	terry.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 19:33:50

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2020-07-03
Expires	2030-07-31 (1372d)

📋 WHOIS#

⏱️ Lookup Timing#

38ms

40ms

AAAA

40ms

TXT

225ms

CAA

37ms

HTTPS

37ms

TLSA

139ms

SOA

39ms

MTA-STS

54ms

DNSSEC

9070ms

SRV

75ms

Total

10051ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 01:26:15	2418ms	2 NS 2 A 5 MX	🔓 Insecure
2026-10-09 18:54:32	2056ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-29 15:27:05	2666ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-17 01:37:01	3089ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-04 11:52:04	2086ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-29 09:11:23	772ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-28 07:46:59	1076ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-24 18:09:14	1981ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-23 17:54:00	5787ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-22 16:00:52	10176ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-17 10:32:05	1874ms	2 NS 2 A 5 MX	🔓 Insecure
2026-07-31 18:12:00	1535ms	2 NS 2 A 5 MX	🔓 Insecure
2026-07-06 02:58:08	1998ms	2 NS 2 A 5 MX	🔓 Insecure
2026-07-03 09:43:46 shown	10051ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-28 09:43:35	1397ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-26 01:00:01	1014ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-20 12:42:23	819ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-17 10:22:55	1083ms	2 NS 2 A 5 MX	🔓 Insecure