attera.dk

📜 Historical scan 2026-06-21 00:50:30 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

attera.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 20 March 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 76.76.21.21 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by smtp.google.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 2025ms

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

🌍 A Records#

1 records 27ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
76.76.21.21	3600s	—	AS16509	Amazon.com, Inc.	76.76.21.0/24	🇺🇸 United States	Walnut

📧 MX Records#

1 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	600s	smtp.google.com	142.250.147.26 142.250.147.27 142.251.9.26 142.251.9.27 2a00:1450:4025:c01::1a 2a00:1450:4025:c01::1b 2a00:1450:4025:c03::1a 2a00:1450:4025:c03::1b	rd-in-f26.1e100.net rd-in-f27.1e100.net rc-in-f26.1e100.net rc-in-f27.1e100.net rd-in-f26.1e100.net rd-in-f27.1e100.net rc-in-f26.1e100.net rc-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

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	cname.vercel-dns.com → 66.33.60.130
🔶 Autoconfig	cname.vercel-dns.com → 76.76.21.61

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

4 records 147ms

TXT Record
google-site-verification=-YnTU3AvCzpsPytQt4jkjNjDH20MvIy7rQJoJua5OK4
google-site-verification=3NrcQA8V_Z7u0JLX0memwyiU_hZ3IeEVUShArf71Xjg
MS=ms60019725
v=spf1 include:_spf.google.com ~all

✉️ SPF#

Policy	Record (attera.dk)
~all (soft fail)	v=spf1 include:_spf.google.com ~all

📨 DMARC#

Policy	Record (_dmarc.attera.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:dmarc@attera.dk; fo=1

📬 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 01:42:28

www	216.150.1.129 216.150.16.65 (AS16509) (address records, no CNAME)
www vs bare domain	Same network attera.dk: 216.150.1.1 216.150.16.1 (AS16509) www.attera.dk: 216.150.1.129 216.150.16.65 (AS16509)
Wildcard	Yes: any name under the zone resolves

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	RSA · ~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: 1/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.attera.dk	cname.vercel-dns.com

🔗 TLSA / DANE#

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

🔐 DNSSEC#

53ms

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

🏷️ SOA#

49ms

Field	Value
Serial	2026060900
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 2026-10-10 22:02:27

Field	Value
Registrar	Simply.com A/S
Registered	2026-03-20
Expires	2027-03-19 (152d)

📋 WHOIS#

⏱️ Lookup Timing#

2025ms

27ms

35ms

AAAA

40ms

TXT

147ms

CAA

49ms

HTTPS

36ms

TLSA

58ms

SOA

49ms

MTA-STS

82ms

DNSSEC

53ms

SRV

75ms

Total

2407ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 21:39:13	921ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-11 18:00:16	1043ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-25 12:22:11	2748ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-21 12:15:07	3378ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-25 14:54:30	2591ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-21 00:50:30 shown	2407ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-20 23:45:33	1160ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 13:48:10	602ms	3 NS 1 A 1 MX	🔓 Insecure