allertag.dk

📜 Historical scan 2026-06-16 12:52:03 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

allertag.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 10 February 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 162.159.134.42 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.simply.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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 65ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	—	—	—
ns2.curanet.dk	—	—	—

🌍 A Records#

1 records 97ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
162.159.134.42	—	—	AS13335	Cloudflare, Inc.	162.159.128.0/19	—	—

📧 MX Records#

1 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx.simply.com	94.231.106.20	mx.simply.com	AS48854 team.blue Denmark A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 271ms

TXT Record
ca3-c1fd1947d08b43c39e1c52c99913d111
v=spf1 a mx include:relay.kinstamailservice.com include:spf.simply.com ~all

✉️ SPF#

Policy	Record (allertag.dk)
~all (soft fail)	v=spf1 a mx include:relay.kinstamailservice.com include:spf.simply.com ~all

📨 DMARC#

Policy	Record (_dmarc.allertag.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.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 2026-10-09 11:42:57

www	162.159.134.42 (AS13335) (address records, no CNAME)
www vs bare domain	Same network allertag.dk: 162.159.134.42 (AS13335) www.allertag.dk: 162.159.134.42 (AS13335)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

2 records 158ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	97A3BA009F39C761BFFB6574340E8138…

🔐 DNSSEC#

201ms

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

🏷️ SOA#

71ms

Field	Value
Serial	2024112101
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-07 17:54:21

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2009-02-10
Expires	2027-02-28 (134d)

📋 WHOIS#

⏱️ Lookup Timing#

65ms

97ms

45ms

AAAA

61ms

TXT

271ms

CAA

70ms

HTTPS

54ms

TLSA

158ms

SOA

71ms

MTA-STS

93ms

DNSSEC

201ms

SRV

0ms

Total

1591ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-08-31 15:57:19	616ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-28 11:05:15	661ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 21:20:38	852ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 01:01:19	1150ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 12:52:03 shown	1591ms	2 NS 1 A 1 MX	🔒 Secure