aarch.dk

📜 Historical scan 2026-10-05 15:32:20 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

aarch.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 4 May 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 116.203.99.84 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by aarch-dk.mail.protection.outlook.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 29ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
116.203.99.84	43200s	static.84.99.203.116.clients.your-server.de	AS24940	Hetzner Online GmbH	116.202.0.0/15	🇩🇪 Germany	Nuremberg

📧 MX Records#

1 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	aarch-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::c 2a01:111:f403:ca3c::8 2a01:111:f403:ca48::10 52.101.185.21 52.101.68.10 52.101.68.12 52.101.91.162	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-zrxpr05cu00100.inbound.protection.outlook.com mail-miypr05cu00100.inbound.protection.outlook.com mail-zrxpr05cu00105.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-matpr04cu00302.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.149.136

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

6 records 204ms

TXT Record
7/EySExylWayXx/604fY99v3qbb4SE3S3wuyKudPlmkBfhe9hUOLKjH+jueNux56eEW7Ggkt9giX86d5eVM0wQ==
apple-domain-verification=sA2dnpRek9aj2cs2
hibp-verify=dweb_c0ggxcj3qgigqm36ir54ykgj
Sendinblue-code:e8f2b4179c6d80c6ef96cb84d6a74dba
v=spf1 ip4:37.49.131.36 ip4:83.136.93.212 ip4:77.243.56.18/24 ip4:194.182.109.192/26 ip4:188.64.157.0/28 ip4:130.226.87.80 ip6:2a03:dc80:0:f178::18/64 include:spf.protection.outlook.com include:spf.sendinblue.com include:servers.mcsv.net include:spf.mailanyone.net include:spf.mailjet.com include:spf-de.emailsignatures365.com ip4:167.89.118.48 ip4:167.89.115.46 -all
ZOOM_verify_p9qkTHYwSLKBSx_yU8qg9Q

✉️ SPF#

Policy	Record (aarch.dk)
-all (hard fail)	v=spf1 ip4:37.49.131.36 ip4:83.136.93.212 ip4:77.243.56.18/24 ip4:194.182.109.192/26 ip4:188.64.157.0/28 ip4:130.226.87.80 ip6:2a03:dc80:0:f178::18/64 include:spf.protection.outlook.com include:spf.sendinblue.com include:servers.mcsv.net include:spf.mailanyone.net include:spf.mailjet.com include:spf-de.emailsignatures365.com ip4:167.89.118.48 ip4:167.89.115.46 -all

📨 DMARC#

Policy	Record (_dmarc.aarch.dk)
p=reject	v=DMARC1; p=reject; fo=1; rua=mailto:postmaster@aarch.dk; ruf=mailto:postmaster@aarch.dk; adkim=r; 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 2026-10-26 11:37:06

www CNAME	aarch.dk (all on aarch.dk) → 2.28.227.184 (AS24940)
www vs bare domain	Same network aarch.dk: 2.28.227.184 (AS24940) www.aarch.dk: 2.28.227.184 (AS24940)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

5 found

Selector	CNAME	Key
default	—	RSA · ~1024 bit below 2048 bit
k1	dkim.mcsv.net	RSA · ~1024 bit below 2048 bit
mail	—	RSA · ~1024 bit below 2048 bit
selector1	selector1-aarch-dk._domainkey.aarch.onmicrosoft.com	RSA · ~1024 bit below 2048 bit
selector2	selector2-aarch-dk._domainkey.aarch.onmicrosoft.com	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 6/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

115ms

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

🏷️ SOA#

24ms

Field	Value
Serial	2026100501
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-26 11:52:08

Field	Value
Registrar	ONE.COM A/S
Registered	2004-05-04
Expires	2027-05-31 (215d)

🔗 Same registrant#

5 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
drawingoftheyear.dk	ONE.COM A/S
kårk.dk	ONE.COM A/S
nordmakselskabet.dk	ONE.COM A/S
repulsive-enchantment.dk	ONE.COM A/S
steeneilerrasmussen.dk	ONE.COM A/S

📋 WHOIS#

⏱️ Lookup Timing#

29ms

36ms

37ms

AAAA

32ms

TXT

204ms

CAA

112ms

HTTPS

117ms

TLSA

509ms

SOA

24ms

MTA-STS

47ms

DNSSEC

115ms

SRV

125ms

Total

1176ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-26 11:37:05	1947ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-22 16:54:53	1040ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-05 15:32:20 shown	1176ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 13:46:11	2974ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-10 10:02:23	1390ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-03 09:47:55	1150ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-24 19:39:47	1444ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-21 14:58:37	7656ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-20 14:51:56	1997ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-19 12:53:45	1652ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-14 11:14:23	3697ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-27 21:08:14	5916ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-24 18:53:40	1236ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-17 23:28:51	1582ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-13 22:59:39	5488ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-06 03:37:34	1858ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-03 15:07:30	919ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 17:16:06	2241ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-19 22:54:34	2215ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 12:50:48	3335ms	2 NS 1 A 1 MX	🔒 Secure