njvsalg.dk

📜 Historical scan 2026-09-29 02:01:07 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

njvsalg.dk is a .dk domain served by 2 nameservers (algin.ns.cloudflare.com, ryleigh.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.18.24.43 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1-dk.centerasecurity.dk, mx2-dk.centerasecurity.dk and 1 more. 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#

2 records 61ms

Nameserver	IP addresses	PTR	ASN / ISP
algin.ns.cloudflare.com	108.162.193.61 172.64.33.61 173.245.59.61 2606:4700:58::adf5:3b3d 2803:f800:50::6ca2:c13d 2a06:98c1:50::ac40:213d	algin.ns.cloudflare.com algin.ns.cloudflare.com algin.ns.cloudflare.com algin.ns.cloudflare.com algin.ns.cloudflare.com algin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ryleigh.ns.cloudflare.com	108.162.194.198 162.159.38.198 172.64.34.198 2606:4700:50::a29f:26c6 2803:f800:50::6ca2:c2c6 2a06:98c1:50::ac40:22c6	ryleigh.ns.cloudflare.com ryleigh.ns.cloudflare.com ryleigh.ns.cloudflare.com ryleigh.ns.cloudflare.com ryleigh.ns.cloudflare.com ryleigh.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
104.18.24.43	300s	—	AS13335	Cloudflare, Inc.	104.16.0.0/14	—	—
104.18.25.43	300s	—	AS13335	Cloudflare, Inc.	104.16.0.0/14	—	—

📧 MX Records#

3 records 56ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx1-dk.centerasecurity.dk	128.76.60.167 128.76.60.187 89.233.19.127 89.233.19.127 89.233.19.188 89.233.19.188	mx6.centerasecurity.dk mx6.centerasecurity.dk 127.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk 188.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk	AS3292 TDC Holding A/S AS3292 TDC Holding A/S AS3308 Norlys Telco A/S AS3308 Norlys Telco A/S AS3308 Norlys Telco A/S AS3308 Norlys Telco A/S
10	300s	mx2-dk.centerasecurity.dk	128.76.60.168 128.76.60.169 89.233.19.128 89.233.19.128 89.233.19.129 89.233.19.129	mx6.centerasecurity.dk mx6.centerasecurity.dk 128.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk 129.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk	AS3292 TDC Holding A/S AS3292 TDC Holding A/S AS3308 Norlys Telco A/S AS3308 Norlys Telco A/S AS3308 Norlys Telco A/S AS3308 Norlys Telco A/S
20	300s	mx3-dk.centerasecurity.dk	128.76.60.187 89.233.19.129 89.233.19.129	mx6.centerasecurity.dk 129.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk	AS3292 TDC Holding A/S AS3308 Norlys Telco A/S AS3308 Norlys Telco A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.24

🔷 AAAA Records (IPv6)#

2 records 47ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700::6812:182b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—
2606:4700::6812:192b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—

🔐 HTTPS Records#

1 records 60ms

Priority	Target	SvcParams
1 service	.	alpn="h2" ipv4hint=104.18.24.43,104.18.25.43 ipv6hint=2606:4700::6812:182b,2606:4700::6812:192b

📝 TXT Records#

5 records 199ms

TXT Record
knowbe4-site-verification=61c1898e9ef26404605fa689f7ae935e
MS=ms49624006
MS=ms59538494
openai-domain-verification=dv-HgEmzIHieZVn2wHB7B8xpZjx
v=spf1 include:_spf48060.spfprotect.com -all

✉️ SPF#

Policy	Record (njvsalg.dk)
-all (hard fail)	v=spf1 include:_spf48060.spfprotect.com -all

📨 DMARC#

Policy	Record (_dmarc.njvsalg.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:611e7677625a7@dmarc.centerasecurity.com;

📬 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 2026-10-22 15:28:19

www	104.18.24.43 104.18.25.43 2606:4700::6812:182b 2606:4700::6812:192b (AS13335) (address records, no CNAME)
www vs bare domain	Same network njvsalg.dk: 104.18.24.43 104.18.25.43 2606:4700::6812:182b 2606:4700::6812:192b (AS13335) www.njvsalg.dk: 104.18.24.43 104.18.25.43 2606:4700::6812:182b 2606:4700::6812:192b (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
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: 3/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.njvsalg.dk	4errg8WH4K-klwuWa0xoxW3L0cKpJRV_wUdtkDJ713Y
TXT	_acme-challenge.njvsalg.dk	SUe5GXhb6Cx8jicE0zMNdA9ttGJBgg6DZWHdfE-YZbA
TXT	_acme-challenge.njvsalg.dk	YLFi7ZoPTGDl8RI9pzzBdcAN1Cdy6kBcXbkOYQArSBQ
TXT	_acme-challenge.njvsalg.dk	sT_HJSF0PvPVkpokMnJhYaESqvdD7mKtIOpyCEpOmQc

🔗 TLSA / DANE#

6 records 117ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	D4C349E7B72F5CF4A9CEA358F98947C2…
SMTP _25._tcp.mx1-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	56315B43B892E9AEE184919EC6A5821C…
SMTP _25._tcp.mx2-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	D4C349E7B72F5CF4A9CEA358F98947C2…
SMTP _25._tcp.mx2-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	56315B43B892E9AEE184919EC6A5821C…
SMTP _25._tcp.mx3-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	D4C349E7B72F5CF4A9CEA358F98947C2…
SMTP _25._tcp.mx3-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	56315B43B892E9AEE184919EC6A5821C…

🔐 DNSSEC#

141ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2416070086
Primary NS (MNAME)	algin.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#

61ms

42ms

56ms

AAAA

47ms

TXT

199ms

CAA

65ms

HTTPS

60ms

TLSA

117ms

SOA

0ms

MTA-STS

62ms

DNSSEC

141ms

SRV

94ms

Total

1271ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-22 15:28:19	840ms	2 NS 2 A 3 MX	🔒 Secure
2026-10-10 17:05:34	2159ms	2 NS 2 A 3 MX	🔒 Secure
2026-09-30 02:10:27	1051ms	2 NS 2 A 3 MX	🔒 Secure
2026-09-29 02:01:07 shown	1271ms	2 NS 2 A 3 MX	🔒 Secure
2026-09-27 01:14:17	1164ms	2 NS 2 A 3 MX	🔒 Secure
2026-09-19 03:26:11	1910ms	2 NS 2 A 3 MX	🔒 Secure
2026-08-22 23:53:07	3582ms	2 NS 2 A 3 MX	🔒 Secure
2026-08-04 08:41:23	2643ms	2 NS 2 A 3 MX	🔒 Secure
2026-07-14 06:07:50	1781ms	2 NS 2 A 5 MX	🔒 Secure
2026-07-06 07:22:06	2025ms	2 NS 2 A 2 MX	🔒 Secure
2026-07-02 04:03:24	1231ms	2 NS 2 A 2 MX	🔒 Secure
2026-06-21 11:47:50	584ms	2 NS 2 A 2 MX	🔒 Secure
2026-06-17 23:57:13	1496ms	2 NS 2 A 2 MX	🔒 Secure