tensorenergy.dk

📜 Historical scan 2026-10-03 17:22:52 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tensorenergy.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 23 March 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 3.174.18.3 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by tensorenergy-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a 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#

3 records 50ms

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#

4 records 40ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
3.174.18.3	3600s	server-3-174-18-3.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	3.128.0.0/10	🇺🇸 United States	—
3.174.18.33	3600s	server-3-174-18-33.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	3.128.0.0/10	🇺🇸 United States	—
3.174.18.45	3600s	server-3-174-18-45.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	3.128.0.0/10	🇺🇸 United States	—
3.174.18.89	3600s	server-3-174-18-89.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	3.128.0.0/10	🇺🇸 United States	—

📧 MX Records#

1 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	tensorenergy-dk.mail.protection.outlook.com	2a01:111:f403:c967:: 2a01:111:f403:c967::2 2a01:111:f403:c967::4 2a01:111:f403:c967::6 52.101.209.2 52.101.209.4 52.101.209.6 52.101.209.74	mail-cpcp307cu00400.inbound.protection.outlook.com mail-cpap307cu00402.inbound.protection.outlook.com mail-cpap307cu00204.inbound.protection.outlook.com mail-cpcp307cu00206.inbound.protection.outlook.com mail-cpap307cu00402.inbound.protection.outlook.com mail-cpap307cu00204.inbound.protection.outlook.com mail-cpcp307cu00206.inbound.protection.outlook.com mail-cpcp307cu00402.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)#

8 records 36ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2600:9000:28e5:2c00:0:5a23:9c80:93a1	3600s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—
2600:9000:28e5:3800:0:5a23:9c80:93a1	3600s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—
2600:9000:28e5:3a00:0:5a23:9c80:93a1	3600s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—
2600:9000:28e5:5600:0:5a23:9c80:93a1	3600s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—
2600:9000:28e5:6600:0:5a23:9c80:93a1	3600s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—
2600:9000:28e5:6e00:0:5a23:9c80:93a1	3600s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—
2600:9000:28e5:7600:0:5a23:9c80:93a1	3600s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—
2600:9000:28e5:c00:0:5a23:9c80:93a1	3600s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 55ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

1 records 149ms

TXT Record
v=spf1 include:spf.protection.outlook.com include:spf.simply.com -all

✉️ SPF#

Policy	Record (tensorenergy.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.simply.com -all

📨 DMARC#

Policy	Record (_dmarc.tensorenergy.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:postmaster@tensorenergy.dk

📬 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 2026-10-13 14:43:27

www CNAME	d1x47t6qzs0k8i.cloudfront.net (all on cloudfront.net) → 3.174.18.3 3.174.18.33 3.174.18.45 3.174.18.89 2600:9000:28e5:1a00:0:5a23:9c80:93a1 2600:9000:28e5:5200:0:5a23:9c80:93a1 2600:9000:28e5:9000:0:5a23:9c80:93a1 2600:9000:28e5::5a23:9c80:93a1 (AS16509)
www vs bare domain	Same network tensorenergy.dk: 108.157.214.111 108.157.214.119 108.157.214.86 108.157.214.92 (AS16509) www.tensorenergy.dk: 3.174.18.3 3.174.18.33 3.174.18.45 3.174.18.89 (AS16509)
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

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-tensorenergy-dk._domainkey.tensorenergydk.y-v1.dkim.mail.microsoft	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: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

85ms

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

🏷️ SOA#

34ms

Field	Value
Serial	2026100300
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 2026-10-03 17:58:42

Field	Value
Registrar	Simply.com A/S
Registered	2026-03-23
Expires	2027-03-22 (149d)

📋 WHOIS#

⏱️ Lookup Timing#

50ms

40ms

34ms

AAAA

36ms

TXT

149ms

CAA

53ms

HTTPS

26ms

TLSA

783ms

SOA

34ms

MTA-STS

42ms

DNSSEC

85ms

SRV

55ms

Total

1449ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 14:43:27	2190ms	3 NS 4 A 1 MX	🔒 Secure
2026-10-03 17:22:52 shown	1449ms	3 NS 4 A 1 MX	🔒 Secure
2026-07-03 00:09:16	3028ms	3 NS 4 A 1 MX	🔒 Secure
2026-06-22 23:11:29	11359ms	3 NS 4 A 1 MX	🔒 Secure
2026-06-20 17:55:14	1185ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 13:09:57	1496ms	3 NS 4 A 1 MX	🔒 Secure