sterion.dk

📜 Historical scan 2026-06-17 20:55:20 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sterion.dk is a .dk domain served by 4 nameservers (ns1-06.azure-dns.com, ns2-06.azure-dns.net, ns3-06.azure-dns.org and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 80.248.138.31 is hosted by Netnoerden ApS (AS216275) in Denmark. Mail is handled by mx.sterion.dk, mx-backup.sterion.dk and 1 more. 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#

4 records 72ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1-06.azure-dns.com	13.107.236.6 2603:1061:0:700::6	ns1-06.azure-dns.com ns1-06.azure-dns.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns2-06.azure-dns.net	150.171.21.6 2620:1ec:8ec:700::6	ns2-06.azure-dns.net ns2-06.azure-dns.net	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns3-06.azure-dns.org	204.14.183.6 2a01:111:4000:700::6	ns3-06.azure-dns.org ns3-06.azure-dns.org	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns4-06.azure-dns.info	208.84.5.6 2620:1ec:bda:700::6	ns4-06.azure-dns.info ns4-06.azure-dns.info	AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🌍 A Records#

1 records 72ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
80.248.138.31	—	fw.sterion.dk	AS216275	Netnoerden ApS	80.248.138.0/23	🇩🇰 Denmark	—

📧 MX Records#

3 records 68ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx.sterion.dk	80.248.138.32	mx.sterion.dk	AS216275 Netnoerden ApS
20	—	mx-backup.sterion.dk	80.248.138.33	mx-backup.sterion.dk	AS216275 Netnoerden ApS
30	—	backup.sterion.dk	109.59.181.186	109.59.181.186.mobile.3.dk	AS44034 Hi3G Access AB

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	sterion.dk → 80.248.138.31
🔶 Autoconfig	sterion.dk → 80.248.138.31

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 271ms

TXT Record
v=spf1 a:mail.sterion.dk a:mx.sterion.dk a:mx-backup.sterion.dk mx -all

✉️ SPF#

Policy	Record (sterion.dk)
-all (hard fail)	v=spf1 a:mail.sterion.dk a:mx.sterion.dk a:mx-backup.sterion.dk mx -all

📨 DMARC#

Policy	Record (_dmarc.sterion.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:admin@sterion.dk; adkim=s; 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 2026-10-09 01:02:31

www CNAME	sterion.dk (all on sterion.dk) → 80.248.138.31 (AS216275)
www vs bare domain	Same network sterion.dk: 80.248.138.31 (AS216275) www.sterion.dk: 80.248.138.31 (AS216275)
Wildcard	Yes: any name under the zone resolves

✍️ DKIM keys#

1 found

Selector	CNAME	Key
mail	—	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: 4/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 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	1
Primary NS (MNAME)	ns1-06.azure-dns.com
Responsible (RNAME)	azuredns-hostmaster@microsoft.com
Refresh	3600s
Retry	300s
Expire	2419200s
Minimum (neg-cache TTL)	1s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

72ms

68ms

AAAA

65ms

TXT

271ms

CAA

66ms

HTTPS

61ms

TLSA

171ms

SOA

68ms

MTA-STS

64ms

DNSSEC

84ms

SRV

121ms

Total

1009ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-27 20:52:05	5372ms	4 NS 1 A 3 MX	🔓 Insecure
2026-06-29 02:52:39	1617ms	4 NS 1 A 3 MX	🔓 Insecure
2026-06-23 02:57:33	2391ms	4 NS 1 A 3 MX	🔓 Insecure
2026-06-17 20:55:20 shown	1009ms	4 NS 1 A 3 MX	🔓 Insecure