aler.dk

📜 Historical scan 2026-06-19 19:39:14 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

aler.dk is a .dk domain served by 3 nameservers (ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com). It was registered on 23 September 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 156.67.28.242 is hosted by Contabo GmbH (AS51167) in France. Mail is handled by aspmx1.migadu.com, aspmx2.migadu.com. The zone is not DNSSEC-signed, 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#

3 records 69ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.digitalocean.com	172.64.52.210 2606:4700:52::ac40:34d2	ns1.digitalocean.com ns1.digitalocean.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ns2.digitalocean.com	172.64.53.21 2606:4700:5a::ac40:3515	ns2.digitalocean.com ns2.digitalocean.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ns3.digitalocean.com	172.64.49.209 2606:4700:52::ac40:31d1	ns3.digitalocean.com ns3.digitalocean.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 68ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
156.67.28.242	600s	ial.dk	AS51167	Contabo GmbH	156.67.24.0/21	🇫🇷 France	Lauterbourg

📧 MX Records#

2 records 53ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	13625s	aspmx1.migadu.com	135.125.171.180 135.125.222.87 2001:41d0:303:648a::1 2001:41d0:700:19b4::1 2001:41d0:700:1a57::1 51.38.57.138	ns3160119.ip-135-125-171.eu ns3160230.ip-135-125-222.eu — — — mizu0.migadu.com	AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS
20	13625s	aspmx2.migadu.com	135.125.171.180 135.125.222.87 2001:41d0:303:648a::1 2001:41d0:700:19b4::1 2001:41d0:700:1a57::1 51.38.57.138	ns3160119.ip-135-125-171.eu ns3160230.ip-135-125-222.eu — — — mizu0.migadu.com	AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	156.67.28.242
🔶 Autoconfig	autoconfig.migadu.com → 141.94.97.141

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 439ms

TXT Record
hosted-email-verify=chho5z0f
v=spf1 include:spf.migadu.com -all

✉️ SPF#

Policy	Record (aler.dk)
-all (hard fail)	v=spf1 include:spf.migadu.com -all

📨 DMARC#

Policy	Record (_dmarc.aler.dk)
p=quarantine	v=DMARC1; p=quarantine;

📬 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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.aler.dk	BKFCU6d0gzJufZ6BjcAsLXrWAIA9tAQy43AOUOcEtb0

🔗 TLSA / DANE#

2 records 124ms

Service / Owner	Type	Cert association
SMTP _25._tcp.aspmx1.migadu.com	DANE-EE · SPKI · SHA-256	4D97323D167383FD6998CE177C02C80C…
SMTP _25._tcp.aspmx2.migadu.com	DANE-EE · SPKI · SHA-256	4D97323D167383FD6998CE177C02C80C…

🔐 DNSSEC#

84ms

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

🏷️ SOA#

68ms

Field	Value
Serial	0
Primary NS (MNAME)	ns1.digitalocean.com
Responsible (RNAME)	hostmaster@aler.dk
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-19 09:35:20

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2021-09-23
Expires	2026-09-22 (expired)

📋 WHOIS#

⏱️ Lookup Timing#

69ms

68ms

53ms

AAAA

71ms

TXT

439ms

CAA

67ms

HTTPS

67ms

TLSA

124ms

SOA

68ms

MTA-STS

79ms

DNSSEC

84ms

SRV

292ms

Total

965ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-19 10:17:44	149ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-18 10:04:57	99ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-17 09:37:10	122ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-16 09:24:53	344ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-15 07:50:49	228ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-14 04:56:03	341ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-12 22:15:08	305ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-11 18:59:34	316ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-10 15:41:33	239ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-09 08:59:08	260ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-08 08:56:15	544ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-07 09:33:25	255ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-06 05:06:40	342ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-05 05:01:15	223ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-04 04:53:38	336ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-03 04:50:16	313ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-02 04:47:07	510ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-01 04:35:24	352ms	1 NS 0 A 0 MX	❓ Unknown
2026-09-30 04:10:51	655ms	1 NS 0 A 0 MX	❓ Unknown
2026-09-29 22:23:47	448ms	1 NS 0 A 0 MX	❓ Unknown
2026-09-28 22:11:16	218ms	1 NS 0 A 0 MX	❓ Unknown
2026-09-27 21:54:24	220ms	1 NS 0 A 0 MX	❓ Unknown
2026-09-26 21:34:14	219ms	1 NS 0 A 0 MX	❓ Unknown
2026-09-25 21:09:58	212ms	1 NS 0 A 0 MX	❓ Unknown
2026-09-24 20:47:44	214ms	1 NS 0 A 0 MX	❓ Unknown