a4job.dk

📜 Historical scan 2026-10-01 13:55:27 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

a4job.dk is a .dk domain served by 2 nameservers (dave.ns.cloudflare.com, marge.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.71.204 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 96ms

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 96ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.71.204	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.149.42	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 92ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:47cc	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:952a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 151ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.71.204,172.67.149.42 ech=AEX+DQBBVAAgACAUrhUriyuEYV/+n99qKxc958nkOydEDspI59BvyDDcfgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:47cc,2606:4700:3035::ac43:952a

📝 TXT Records#

2 records 392ms

TXT Record
ca3-3c95f4556d24418e9d3cac5c70dc53f4
v=spf1 -all

✉️ SPF#

Policy	Record (a4job.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.a4job.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 2026-10-16 12:50:21

www	104.21.71.204 172.67.149.42 2606:4700:3033::6815:47cc 2606:4700:3035::ac43:952a (AS13335) (address records, no CNAME)
www vs bare domain	Same network a4job.dk: 104.21.71.204 172.67.149.42 2606:4700:3033::6815:47cc 2606:4700:3035::ac43:952a (AS13335) www.a4job.dk: 104.21.71.204 172.67.149.42 2606:4700:3033::6815:47cc 2606:4700:3035::ac43:952a (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.a4job.dk	sAmVrIwo8TgGhjBpiphRgP0_Y-pYn4KE9SMTaABKiXw
TXT	_acme-challenge.a4job.dk	v6oKABkiqWWR3YNVtWiDOQr2RqS1MW72uXyE37R5n4I

🔗 TLSA / DANE#

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

🔐 DNSSEC#

260ms

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

🏷️ SOA#

101ms

Field	Value
Serial	2416332009
Primary NS (MNAME)	dave.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

96ms

99ms

AAAA

92ms

TXT

392ms

CAA

92ms

HTTPS

151ms

TLSA

253ms

SOA

101ms

MTA-STS

150ms

DNSSEC

260ms

SRV

167ms

Total

1666ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 13:56:38	375ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-01 13:55:27 shown	1666ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-23 12:41:24	571ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-07 22:02:21	1532ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-03 20:19:36	1195ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-08 13:06:22	1106ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-25 03:41:14	800ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-23 20:34:12	844ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-23 02:49:57	1163ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-19 15:27:40	7860ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-16 12:50:12	1222ms	2 NS 2 A 0 MX	🔓 Insecure