fenster.dk

📜 Historical scan 2026-09-30 13:40:52 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

fenster.dk is a .dk domain served by 2 nameservers (emily.ns.cloudflare.com, garrett.ns.cloudflare.com). It was registered on 14 September 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.54.178 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 35ms

Nameserver	IP addresses	PTR	ASN / ISP
emily.ns.cloudflare.com	108.162.192.155 172.64.32.155 173.245.58.155 2606:4700:50::adf5:3a9b 2803:f800:50::6ca2:c09b 2a06:98c1:50::ac40:209b	emily.ns.cloudflare.com emily.ns.cloudflare.com emily.ns.cloudflare.com emily.ns.cloudflare.com emily.ns.cloudflare.com emily.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
garrett.ns.cloudflare.com	108.162.195.195 162.159.44.195 172.64.35.195 2606:4700:58::a29f:2cc3 2803:f800:50::6ca2:c3c3 2a06:98c1:50::ac40:23c3	garrett.ns.cloudflare.com garrett.ns.cloudflare.com garrett.ns.cloudflare.com garrett.ns.cloudflare.com garrett.ns.cloudflare.com garrett.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 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.54.178	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.168.200	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

5 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	173.194.222.26 2a00:1450:4010:c0f::1b 2a00:1450:4010:c0f::1b	lo-in-f26.1e100.net lt-in-x1b.1e100.net lt-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::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1b	mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1a	so-in-f26.1e100.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::1b	tp-in-f26.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 42ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:a8c8	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::6815:36b2	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 48ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.54.178,172.67.168.200 ech=AEX+DQBBmwAgACAv4ShE74ptABAVVTNRaRqLWHw/q5ExHTd+wAz0MBCmGAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:a8c8,2606:4700:3034::6815:36b2

📝 TXT Records#

4 records 167ms

TXT Record
google-site-verification=2UwUQGv99ceoKau8WlVbwdRu_Afb3i7O7EcXF6eOviM
heroku-domain-verification=dwmpnygjncrmxunwkap9kwk6ikatnt2thhpjuuvc
mailerlite-domain-verification=b99bd3b3fc38ebb3dc7d30ad2d77fb84ee341745
v=spf1 include:_spf.mlsend.com include:spf.mtasv.net include:_spf.google.com ~all

✉️ SPF#

Policy	Record (fenster.dk)
~all (soft fail)	v=spf1 include:_spf.mlsend.com include:spf.mtasv.net include:_spf.google.com ~all

📨 DMARC#

Policy	Record (_dmarc.fenster.dk)
p=none (monitor only)	v=DMARC1; p=none; pct=100; rua=mailto:re+olhhfdpxe8m@dmarc.postmarkapp.com; ruf=mailto:dmarc@fenster.dk; fo=1; sp=none; aspf=r;

📬 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 04:09:44

www CNAME	www.fenster.dk.herokudns.com (all on herokudns.com) → 15.197.129.158 75.2.43.161 76.223.11.49 99.83.217.1 (AS16509)
www vs bare domain	Different networks fenster.dk: 104.21.54.178 172.67.168.200 2606:4700:3031::ac43:a8c8 2606:4700:3034::6815:36b2 (AS13335) www.fenster.dk: 15.197.129.158 75.2.43.161 76.223.11.49 99.83.217.1 (AS16509) (all like this)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	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: 3/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.fenster.dk	6dXkRUL4-40nRQukY30ht875qOEcZWBIB79NcS61JIU
TXT	_acme-challenge.fenster.dk	LsZ00LqTeWT58ZSadBs0e5qiodE3NR2MdfuB3lRR5zc

🔗 TLSA / DANE#

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

🔐 DNSSEC#

119ms

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

🏷️ SOA#

27ms

Field	Value
Serial	2416171513
Primary NS (MNAME)	emily.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-17 20:08:13

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2016-09-14
Expires	2028-09-30 (709d)

📋 WHOIS#

⏱️ Lookup Timing#

35ms

42ms

39ms

AAAA

42ms

TXT

167ms

CAA

35ms

HTTPS

48ms

TLSA

90ms

SOA

27ms

MTA-STS

57ms

DNSSEC

119ms

SRV

705ms

Total

1681ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 04:09:44	540ms	2 NS 2 A 5 MX	🔓 Insecure
2026-10-03 20:29:35	2529ms	2 NS 2 A 5 MX	🔓 Insecure
2026-10-02 20:16:21	979ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-30 20:11:41	634ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-30 13:40:52 shown	1681ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-29 13:34:45	1067ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-28 13:26:13	1066ms	2 NS 0 A 5 MX	🔓 Insecure
2026-09-20 00:40:00	2593ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-27 11:13:04	1967ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-26 04:03:54	4216ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-23 14:34:21	947ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 18:58:33	1167ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-17 10:14:52	3437ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-17 10:14:34	809ms	2 NS 2 A 5 MX	🔓 Insecure