a4senior.dk

📜 Historical scan 2026-09-19 21:06:01 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

a4senior.dk is a .dk domain served by 2 nameservers (dave.ns.cloudflare.com, marge.ns.cloudflare.com). It was registered on 1 April 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.36.172 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 32ms

Nameserver	IP addresses	PTR	ASN / ISP
dave.ns.cloudflare.com	108.162.193.109 172.64.33.109 173.245.59.109 2606:4700:58::adf5:3b6d 2803:f800:50::6ca2:c16d 2a06:98c1:50::ac40:216d	dave.ns.cloudflare.com dave.ns.cloudflare.com dave.ns.cloudflare.com dave.ns.cloudflare.com dave.ns.cloudflare.com dave.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
marge.ns.cloudflare.com	108.162.192.191 172.64.32.191 173.245.58.191 2606:4700:50::adf5:3abf 2803:f800:50::6ca2:c0bf 2a06:98c1:50::ac40:20bf	marge.ns.cloudflare.com marge.ns.cloudflare.com marge.ns.cloudflare.com marge.ns.cloudflare.com marge.ns.cloudflare.com marge.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 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.36.172	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.197.157	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 32ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::6815:24ac	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:c59d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 28ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.36.172,172.67.197.157 ech=AEX+DQBBxAAgACDYvKGy0CDuqKmHA5s8E9c5HDPuaIUEpVMBRTcGd5YXPAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:24ac,2606:4700:3035::ac43:c59d

📝 TXT Records#

1 records 167ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (a4senior.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.a4senior.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 2026-10-08 22:28:27

www	104.21.36.172 172.67.197.157 2606:4700:3035::6815:24ac 2606:4700:3035::ac43:c59d (AS13335) (address records, no CNAME)
www vs bare domain	Same network a4senior.dk: 104.21.36.172 172.67.197.157 2606:4700:3035::6815:24ac 2606:4700:3035::ac43:c59d (AS13335) www.a4senior.dk: 104.21.36.172 172.67.197.157 2606:4700:3035::6815:24ac 2606:4700:3035::ac43:c59d (AS13335)
Wildcard	No

🔎 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	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2415318718
Primary NS (MNAME)	dave.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-13 13:19:01

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2019-04-01
Expires	2027-04-30 (194d)

🔗 Same registrant#

50 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
a1emballage.dk	Punktum dk A/S (direct)
a1pallehandel.dk	Punktum dk A/S (direct)
a1pallemøbler.dk	ONE.COM A/S
a1rejser.dk	Punktum dk A/S (direct)
a4beskaeftigelse.dk	Punktum dk A/S (direct)
a4beskæftigelse.dk	dns.services ApS
a4nu.dk	Punktum dk A/S (direct)
a4ok.dk	Punktum dk A/S (direct)
a4sund.dk	Punktum dk A/S (direct)
a4sundhed.dk	Punktum dk A/S (direct)
a4tr.dk	Punktum dk A/S (direct)
aaretstr.dk	Punktum dk A/S (direct)
alsingen.dk	Punktum dk A/S (direct)
arbejdsmiljoe.dk	Punktum dk A/S (direct)
dk-ai.dk	Punktum dk A/S (direct)
dk-it.dk	Punktum dk A/S (direct)
dk-navnenyt.dk	Punktum dk A/S (direct)
dk-podcast.dk	Punktum dk A/S (direct)
dk-politik.dk	Punktum dk A/S (direct)
dk-websolutions.dk	Punktum dk A/S (direct)
dk-weekend.dk	Punktum dk A/S (direct)
dkcreative.dk	Punktum dk A/S (direct)
dkindkob.dk	Punktum dk A/S (direct)
dkinnovation.dk	Punktum dk A/S (direct)
dkmedier.dk	Punktum dk A/S (direct)
dkpublishing.dk	Punktum dk A/S (direct)
dksocial.dk	Punktum dk A/S (direct)
dksolenergi.dk	Punktum dk A/S (direct)
dkstillinger.dk	Punktum dk A/S (direct)
dkteknikogmiljoe.dk	Punktum dk A/S (direct)
dkveltek.dk	Punktum dk A/S (direct)
dkvindkraft.dk	Punktum dk A/S (direct)
doi.dk	Punktum dk A/S (direct)
doijob.dk	Punktum dk A/S (direct)
eudstemmer.dk	Punktum dk A/S (direct)
flexnet.dk	Punktum dk A/S (direct)
flexproject.dk	Punktum dk A/S (direct)
folkemoedeavisen.dk	Punktum dk A/S (direct)
haraldssons.dk	Punktum dk A/S (direct)
hestbak.dk	Punktum dk A/S (direct)
komjob.dk	Punktum dk A/S (direct)
media360.dk	Punktum dk A/S (direct)
miljoeogressourcer.dk	Punktum dk A/S (direct)
njolsen.dk	Punktum dk A/S (direct)
oe-aps.dk	Punktum dk A/S (direct)
offshoreindustry.dk	Punktum dk A/S (direct)
pallisbeck.dk	Punktum dk A/S (direct)
roskildenseren.dk	Punktum dk A/S (direct)
smagverden.dk	Punktum dk A/S (direct)
susfeldtskov.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

32ms

33ms

31ms

AAAA

32ms

TXT

167ms

CAA

38ms

HTTPS

28ms

TLSA

50ms

SOA

0ms

MTA-STS

56ms

DNSSEC

111ms

SRV

50ms

Total

1237ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 18:09:53	420ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-30 18:02:18	579ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-27 18:31:06	513ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-19 21:06:01 shown	1237ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-06 03:30:52	1400ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-01 17:03:22	8691ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-04 23:06:09	1086ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-19 11:59:52	611ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-16 12:49:41	1225ms	2 NS 2 A 0 MX	🔓 Insecure