alerhverv.dk

📜 Historical scan 2026-09-07 21:12:45 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

alerhverv.dk is a .dk domain served by 3 nameservers (blue.foundationdns.com, blue.foundationdns.net, blue.foundationdns.org). It was registered on 5 December 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 141.101.90.96 is hosted by Cloudflare, Inc. (AS13335). The zone is DNSSEC-signed and validates, 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#

3 records 107ms

Nameserver	IP addresses	PTR	ASN / ISP
blue.foundationdns.com	108.162.198.1 162.159.60.1 172.64.40.1 2606:4700:57::6ca2:c601 2803:f800:52::a29f:3c01 2a06:98c1:56::ac40:2801	blue.foundationdns.com blue.foundationdns.com blue.foundationdns.com blue.foundationdns.com blue.foundationdns.com blue.foundationdns.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
blue.foundationdns.net	108.162.198.31 162.159.60.31 172.64.40.31 2606:4700:57::6ca2:c61f 2803:f800:52::a29f:3c1f 2a06:98c1:56::ac40:281f	blue.foundationdns.net blue.foundationdns.net blue.foundationdns.net blue.foundationdns.net blue.foundationdns.net blue.foundationdns.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
blue.foundationdns.org	108.162.198.61 162.159.60.61 172.64.40.61 2606:4700:57::6ca2:c63d 2803:f800:52::a29f:3c3d 2a06:98c1:56::ac40:283d	blue.foundationdns.org blue.foundationdns.org blue.foundationdns.org blue.foundationdns.org blue.foundationdns.org blue.foundationdns.org	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

4 records 48ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
141.101.90.96	300s	—	AS13335	Cloudflare, Inc.	141.101.90.0/24	—	—
141.101.90.97	300s	—	AS13335	Cloudflare, Inc.	141.101.90.0/24	—	—
141.101.90.98	300s	—	AS13335	Cloudflare, Inc.	141.101.90.0/24	—	—
141.101.90.99	300s	—	AS13335	Cloudflare, Inc.	141.101.90.0/24	—	—

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	141.101.90.99
🔶 Autoconfig	141.101.90.96

🔷 AAAA Records (IPv6)#

4 records 100ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a06:98c1:3200::90:0	300s	—	AS13335	Cloudflare, Inc.	2a06:98c1:3200:0:0:0:0:0/48	—	—
2a06:98c1:3200::90:1	300s	—	AS13335	Cloudflare, Inc.	2a06:98c1:3200:0:0:0:0:0/48	—	—
2a06:98c1:3200::90:2	300s	—	AS13335	Cloudflare, Inc.	2a06:98c1:3200:0:0:0:0:0/48	—	—
2a06:98c1:3200::90:3	300s	—	AS13335	Cloudflare, Inc.	2a06:98c1:3200:0:0:0:0:0/48	—	—

🔐 HTTPS Records#

1 records 99ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=141.101.90.96,141.101.90.97,141.101.90.98,141.101.90.99 ech=AEX+DQBBNwAgACBgZwjyg4aaEczydISesWS+IU0ai1bD29Rtdp1Mj8NDEQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3200::90:0,2a06:98c1:3200::90:1,2a06:98c1:3200::90:2,2a06:98c1:3200::90:3

📝 TXT Records#

1 records 218ms

TXT Record
v=spf1 -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.alerhverv.dk)
p=reject	v=DMARC1; p=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 04:22:17

www	141.101.90.96 141.101.90.97 141.101.90.98 141.101.90.99 2a06:98c1:3200::90:0 2a06:98c1:3200::90:1 2a06:98c1:3200::90:2 2a06:98c1:3200::90:3 (AS13335) (address records, no CNAME)
www vs bare domain	Same network alerhverv.dk: 141.101.90.96 141.101.90.97 141.101.90.98 141.101.90.99 (AS13335) www.alerhverv.dk: 141.101.90.96 141.101.90.97 141.101.90.98 141.101.90.99 (AS13335)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 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#

142ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2414271129
Primary NS (MNAME)	blue.foundationdns.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-04 12:58:06

Field	Value
Registrar	Eurodns S.A
Registered	2019-12-05
Expires	2028-12-31 (799d)

📋 WHOIS#

⏱️ Lookup Timing#

107ms

48ms

77ms

AAAA

100ms

TXT

218ms

CAA

62ms

HTTPS

99ms

TLSA

118ms

SOA

0ms

MTA-STS

101ms

DNSSEC

142ms

SRV

139ms

Total

818ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 04:22:17	771ms	3 NS 4 A 0 MX	🔒 Secure
2026-10-04 12:28:10	966ms	3 NS 4 A 0 MX	🔒 Secure
2026-09-16 09:12:19	3209ms	3 NS 4 A 0 MX	🔒 Secure
2026-09-14 23:32:53	1956ms	3 NS 4 A 0 MX	🔒 Secure
2026-09-07 21:12:45 shown	818ms	3 NS 4 A 0 MX	🔒 Secure
2026-08-26 18:50:58	898ms	3 NS 4 A 0 MX	🔒 Secure
2026-08-25 02:55:47	1350ms	3 NS 4 A 0 MX	🔒 Secure
2026-08-18 22:12:08	5708ms	3 NS 4 A 0 MX	🔒 Secure
2026-07-24 18:14:23	9230ms	3 NS 4 A 0 MX	🔒 Secure
2026-07-22 14:58:12	8869ms	3 NS 4 A 0 MX	🔒 Secure
2026-07-11 05:42:58	1079ms	3 NS 4 A 0 MX	🔒 Secure
2026-07-01 10:16:57	970ms	3 NS 4 A 0 MX	🔒 Secure
2026-06-16 12:45:51	576ms	3 NS 4 A 0 MX	🔒 Secure