backtee.dk

📜 Historical scan 2026-10-01 00:52:29 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

backtee.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 23 June 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 23.227.38.65 is hosted by Cloudflare, Inc. (AS13335) in Canada. Mail is handled by backtee-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 41ms

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 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
23.227.38.65	3600s	myshopify.com	AS13335	Cloudflare, Inc.	23.227.38.0/23	🇨🇦 Canada	Ottawa

📧 MX Records#

1 records 57ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	backtee-dk.mail.protection.outlook.com	2a01:111:f403:c967::c 2a01:111:f403:ca09::a 2a01:111:f403:ca21::a 2a01:111:f403:ca38::a 52.101.103.140 52.101.68.15 52.101.73.123 52.101.73.145	mail-cpjpr05cu00204.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-maspr04cu00102.inbound.protection.outlook.com mail-wa4pr05cu00102.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-am6pr02cu00203.inbound.protection.outlook.com mail-am6pr02cu00301.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 → 40.104.116.56
🔶 Autoconfig	23.227.38.65

🔷 AAAA Records (IPv6)#

1 records 36ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2620:127:f00f:5::	3600s	—	AS13335	Cloudflare, Inc.	2620:127:f00c:0:0:0:0:0/46	🇨🇦 Canada	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

5 records 191ms

TXT Record
_globalsign-domain-verification=h4eF-6DWP74ipTogxgMrYySErZw14oikEHlW3IyHAH
google-site-verification=UmPORWW6n8P_DnSlYpNaIvxlCfjg2XRAI3Ikxf4iIp8
klaviyo-site-verification=Xy2asv
MS=ms50063485
v=spf1 include:spf.protection.outlook.com include:shops.shopify.com include:spf.comendosystems.com include:spf.hostnordic.com -all

✉️ SPF#

Policy	Record (backtee.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:shops.shopify.com include:spf.comendosystems.com include:spf.hostnordic.com -all

📨 DMARC#

Policy	Record (_dmarc.backtee.dk)
p=none (monitor only)	v=DMARC1; p=none

📬 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 15:00:37

www CNAME	shops.myshopify.com (all on myshopify.com) → 23.227.38.74 2620:127:f00f:e:: (AS13335)
www vs bare domain	Same network backtee.dk: 23.227.38.65 2620:127:f00f:5:: (AS13335) www.backtee.dk: 23.227.38.74 2620:127:f00f:e:: (AS13335)
Wildcard	Yes: any name under the zone resolves
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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 8/10 · policy: -all

warn 8 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

72ms

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

🏷️ SOA#

34ms

Field	Value
Serial	2025111800
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 2026-10-13 15:16:49

Field	Value
Registrar	Simply.com A/S
Registered	1997-06-23
Expires	2027-06-30 (255d)

🔗 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#

41ms

39ms

57ms

AAAA

36ms

TXT

191ms

CAA

32ms

HTTPS

32ms

TLSA

192ms

SOA

34ms

MTA-STS

51ms

DNSSEC

72ms

SRV

66ms

Total

1015ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 15:00:37	1115ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-04 01:05:17	809ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-01 00:52:29 shown	1015ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-28 05:34:18	1118ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-29 11:06:59	1301ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-28 02:33:42	2318ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-25 16:47:52	1197ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-22 18:29:07	844ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 14:00:27	768ms	3 NS 1 A 1 MX	🔒 Secure