aproposbureau.dk

📜 Historical scan 2026-10-15 07:34:22 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

aproposbureau.dk is a .dk domain served by 2 nameservers (alexa.ns.cloudflare.com, craig.ns.cloudflare.com). It was registered on 20 September 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.71.4 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 48ms

Nameserver	IP addresses	PTR	ASN / ISP
alexa.ns.cloudflare.com	108.162.194.215 162.159.38.215 172.64.34.215 2606:4700:50::a29f:26d7 2803:f800:50::6ca2:c2d7 2a06:98c1:50::ac40:22d7	alexa.ns.cloudflare.com alexa.ns.cloudflare.com alexa.ns.cloudflare.com alexa.ns.cloudflare.com alexa.ns.cloudflare.com alexa.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
craig.ns.cloudflare.com	108.162.195.192 162.159.44.192 172.64.35.192 2606:4700:58::a29f:2cc0 2803:f800:50::6ca2:c3c0 2a06:98c1:50::ac40:23c0	craig.ns.cloudflare.com craig.ns.cloudflare.com craig.ns.cloudflare.com craig.ns.cloudflare.com craig.ns.cloudflare.com craig.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 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.71.4	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.141.64	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

5 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	2a00:1450:4010:c01::1a 2a00:1450:4010:c01::1a 64.233.164.27	lh-in-f26.1e100.net lh-in-x1a.1e100.net lf-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	300s	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	300s	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	300s	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	300s	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

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.71.4
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

2 records 31ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3037::6815:4704	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:8d40	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 38ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.71.4,172.67.141.64 ech=AEX+DQBBJQAgACCJdMy1aqHkmMy5E2KmnAQl0iznIfX19C2Mwgwwm+BAJwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3037::6815:4704,2606:4700:3037::ac43:8d40

🔌 SRV Records#

2 records 66ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

3 records 181ms

TXT Record
MS=ms28514961
nordpass-domain-verification=8097b37566f1aee64d749947133c6a9d6bf1c3c3a6fdd2e859d2c63efd686aec
v=spf1 include:_spf.google.com -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.aproposbureau.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:dmarc@aproposbureau.dk

📬 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 2026-10-16 07:56:19

www	104.21.71.4 172.67.141.64 2606:4700:3037::6815:4704 2606:4700:3037::ac43:8d40 (AS13335) (address records, no CNAME)
www vs bare domain	Same network aproposbureau.dk: 104.21.71.4 172.67.141.64 2606:4700:3037::6815:4704 2606:4700:3037::ac43:8d40 (AS13335) www.aproposbureau.dk: 104.21.71.4 172.67.141.64 2606:4700:3037::6815:4704 2606:4700:3037::ac43:8d40 (AS13335)
Wildcard	Yes: any name under the zone resolves

✍️ DKIM keys#

3 found

Selector	CNAME	Key
google	—	RSA · ~2048 bit
s1	s1.domainkey.u2309499.wl250.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u2309499.wl250.sendgrid.net	RSA · ~1024 bit below 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#

122ms

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

🏷️ SOA#

33ms

Field	Value
Serial	2417469845
Primary NS (MNAME)	alexa.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-16 08:25:54

Field	Value
Registrar	Simply.com A/S
Registered	2017-09-20
Expires	2027-09-30 (345d)

🔗 Same registrant#

13 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
abmain.dk	CURANET A/S
apropos-aalborg.dk	CURANET A/S
aproposdigital.dk	CURANET A/S
aproposforbrug.dk	CURANET A/S
aproposweb.dk	CURANET A/S
bilklub-nord.dk	CURANET A/S
firmatoejsgruppen.dk	CURANET A/S
helsehuset-aalborg.dk	Simply.com A/S
markedsbakken.dk	Simply.com A/S
midlertidigt.dk	CURANET A/S
opvkst.dk	Simply.com A/S
v-s-g.dk	CURANET A/S
vindebyøre-lejrskole.dk	CURANET A/S

📋 WHOIS#

⏱️ Lookup Timing#

48ms

44ms

45ms

AAAA

31ms

TXT

181ms

CAA

40ms

HTTPS

38ms

TLSA

99ms

SOA

33ms

MTA-STS

69ms

DNSSEC

122ms

SRV

66ms

Total

1539ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 07:56:19	646ms	2 NS 2 A 5 MX	🔓 Insecure
2026-10-15 07:34:22 shown	1539ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-29 14:14:23	2047ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-19 23:51:28	3556ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-25 12:55:10	9742ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-24 21:39:59	1015ms	2 NS 2 A 5 MX	🔓 Insecure
2026-07-18 17:48:57	18187ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-29 17:05:16	1115ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-19 04:19:48	8706ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-16 13:37:26	2803ms	2 NS 2 A 5 MX	🔓 Insecure