aldu.dk

📜 Historical scan 2026-10-01 23:59:46 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

aldu.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 6 December 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.199.108.153 is hosted by Fastly, Inc. (AS54113) in United States. Mail is handled by mx01.mail.icloud.com, mx02.mail.icloud.com. The zone is DNSSEC-signed and validates, has no 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#

4 records 33ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

4 records 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.199.108.153	3600s	cdn-185-199-108-153.github.com	AS54113	Fastly, Inc.	185.199.108.0/22	🇺🇸 United States	—
185.199.109.153	3600s	cdn-185-199-109-153.github.com	AS54113	Fastly, Inc.	185.199.108.0/22	🇺🇸 United States	—
185.199.110.153	3600s	cdn-185-199-110-153.github.com	AS54113	Fastly, Inc.	185.199.108.0/22	🇺🇸 United States	—
185.199.111.153	3600s	cdn-185-199-111-153.github.com	AS54113	Fastly, Inc.	185.199.108.0/22	🇺🇸 United States	—

📧 MX Records#

2 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx01.mail.icloud.com	17.42.251.62 17.56.9.31 17.57.152.5 17.57.152.5 17.57.154.33 17.57.155.25 17.57.156.30	mx3.mail.icloud.com mx01.mail.icloud.com ic4-privaterelay.appleid.com smtp1.ic4-privaterelay.appleid.com — — —	AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc.
10	3600s	mx02.mail.icloud.com	17.42.251.62 17.56.9.31 17.57.152.5 17.57.152.5 17.57.154.33 17.57.155.25 17.57.156.30	mx3.mail.icloud.com mx01.mail.icloud.com ic4-privaterelay.appleid.com smtp1.ic4-privaterelay.appleid.com — — —	AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc.

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

4 records 31ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:50c0:8000::153	3600s	—	AS54113	Fastly, Inc.	2606:50c0:8000:0:0:0:0:0/46	🇺🇸 United States	—
2606:50c0:8001::153	3600s	—	AS54113	Fastly, Inc.	2606:50c0:8000:0:0:0:0:0/46	🇺🇸 United States	—
2606:50c0:8002::153	3600s	—	AS54113	Fastly, Inc.	2606:50c0:8000:0:0:0:0:0/46	🇺🇸 United States	—
2606:50c0:8003::153	3600s	—	AS54113	Fastly, Inc.	2606:50c0:8000:0:0:0:0:0/46	🇺🇸 United States	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 61ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com

📝 TXT Records#

3 records 133ms

TXT Record
apple-domain=XYvbYM0kN7VT5TxH
google-site-verification=K5WXv2kFUR7yb-TqYq_QGlAUnAk6aCzbR7jyJQCpT2E
v=spf1 include:icloud.com ~all

✉️ SPF#

Policy	Record (aldu.dk)
~all (soft fail)	v=spf1 include:icloud.com ~all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 02:27:28

www CNAME	nalla12.github.io (all on github.io) → 185.199.108.153 185.199.109.153 185.199.110.153 185.199.111.153 2606:50c0:8000::153 2606:50c0:8001::153 2606:50c0:8002::153 2606:50c0:8003::153 (AS54113)
www vs bare domain	Same network aldu.dk: 185.199.108.153 185.199.109.153 185.199.110.153 185.199.111.153 (AS54113) www.aldu.dk: 185.199.108.153 185.199.109.153 185.199.110.153 185.199.111.153 (AS54113)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
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: 5/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

62ms

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

🏷️ SOA#

40ms

Field	Value
Serial	2026093000
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-08 02:14:34

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2017-12-06
Expires	2028-12-31 (806d)

📋 WHOIS#

⏱️ Lookup Timing#

33ms

34ms

32ms

AAAA

31ms

TXT

133ms

CAA

32ms

HTTPS

39ms

TLSA

201ms

SOA

40ms

MTA-STS

68ms

DNSSEC

62ms

SRV

61ms

Total

759ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 00:19:16	680ms	4 NS 4 A 2 MX	🔒 Secure
2026-10-01 23:59:46 shown	759ms	4 NS 4 A 2 MX	🔒 Secure
2026-07-01 13:04:55	872ms	4 NS 4 A 2 MX	🔒 Secure
2026-06-27 12:21:12	954ms	4 NS 4 A 2 MX	🔒 Secure
2026-06-16 12:44:13	1571ms	4 NS 4 A 2 MX	🔒 Secure