arcu.dk

📜 Historical scan 2026-07-01 23:44:31 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

arcu.dk is a .dk domain served by 4 nameservers (ns-1206.awsdns-22.org, ns-142.awsdns-17.com, ns-1990.awsdns-56.co.uk and 1 more). It was registered on 1 October 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 13.61.165.153 is hosted by Amazon.com, Inc. (AS16509) in Sweden. Mail is handled by smtp.google.com. The zone is not DNSSEC-signed, has no 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#

4 records 59ms

Nameserver	IP addresses	PTR	ASN / ISP
ns-1206.awsdns-22.org	205.251.196.182 2600:9000:5304:b600::1	ns-1206.awsdns-22.org ns-1206.awsdns-22.org	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-142.awsdns-17.com	205.251.192.142 2600:9000:5300:8e00::1	ns-142.awsdns-17.com ns-142.awsdns-17.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-1990.awsdns-56.co.uk	205.251.199.198 2600:9000:5307:c600::1	ns-1990.awsdns-56.co.uk ns-1990.awsdns-56.co.uk	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-687.awsdns-21.net	205.251.194.175 2600:9000:5302:af00::1	ns-687.awsdns-21.net ns-687.awsdns-21.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

🌍 A Records#

1 records 50ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
13.61.165.153	60s	ec2-13-61-165-153.eu-north-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	13.32.0.0/11	🇸🇪 Sweden	Stockholm

📧 MX Records#

1 records 52ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	smtp.google.com	2a00:1450:4010:c01::1a 2a00:1450:4010:c01::1a 2a00:1450:4010:c01::1b 2a00:1450:4010:c01::1b 2a00:1450:4010:c05::1a 2a00:1450:4010:c05::1a 2a00:1450:4010:c05::1b 2a00:1450:4010:c05::1b 64.233.161.26 64.233.161.27 64.233.162.26 64.233.162.27 74.125.205.27	lh-in-f26.1e100.net lh-in-x1a.1e100.net lh-in-x1b.1e100.net lh-in-f27.1e100.net li-in-x1a.1e100.net li-in-f26.1e100.net li-in-f27.1e100.net li-in-x1b.1e100.net lh-in-f26.1e100.net lh-in-f27.1e100.net li-in-f26.1e100.net li-in-f27.1e100.net le-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	13.61.165.153
🔶 Autoconfig	13.61.165.153

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 210ms

TXT Record
google-site-verification=k99OXLKMJ3FXHgUuTEyXUsi97wwL6uSm6oRYMK9taeU

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 2026-10-11 19:42:48

www	13.61.165.153 (AS16509) (address records, no CNAME)
www vs bare domain	Same network arcu.dk: 13.61.165.153 (AS16509) www.arcu.dk: 13.61.165.153 (AS16509)
Wildcard	Yes: any name under the zone resolves

🔗 TLSA / DANE#

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

🔐 DNSSEC#

127ms

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

🏷️ SOA#

52ms

Field	Value
Serial	1
Primary NS (MNAME)	ns-687.awsdns-21.net
Responsible (RNAME)	awsdns-hostmaster@amazon.com
Refresh	7200s
Retry	900s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-18 04:37:46

Field	Value
Registrar	DANDOMAIN A/S
Registered	2024-10-01
Expires	2027-09-30 (347d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

59ms

50ms

52ms

AAAA

41ms

TXT

210ms

CAA

45ms

HTTPS

46ms

TLSA

183ms

SOA

52ms

MTA-STS

71ms

DNSSEC

127ms

SRV

82ms

Total

7524ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-02 09:08:14	3169ms	4 NS 1 A 1 MX	🔓 Insecure
2026-09-01 00:22:29	12063ms	4 NS 1 A 1 MX	🔓 Insecure
2026-08-27 06:44:25	4526ms	4 NS 1 A 1 MX	🔓 Insecure
2026-07-01 23:44:31 shown	7524ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-16 13:38:27	671ms	4 NS 1 A 1 MX	🔓 Insecure