blueforsure.dk

📜 Historical scan 2026-08-26 22:18:42  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

blueforsure.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 31 August 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 75.2.70.75 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by blueforsure-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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   63ms
NameserverIP addressesPTRASN / 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
ns4.simply.com 91.197.248.80 ns4.simply.com AS48854 team.blue Denmark A/S

🌍 A Records#

2 records   54ms
IPTTLPTRASNISP / OrgCIDRCountryCity
75.2.70.75 3600s aacb0a264e514dd48.awsglobalaccelerator.com AS16509 Amazon.com, Inc. 75.2.0.0/17 🇺🇸 United States —
99.83.190.102 3600s aacb0a264e514dd48.awsglobalaccelerator.com AS16509 Amazon.com, Inc. 99.83.128.0/17 🇺🇸 United States —

📧 MX Records#

1 records   72ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s blueforsure-dk.mail.protection.outlook.com 2a01:111:f403:ca04::2
2a01:111:f403:ca04::6
2a01:111:f403:ca09::24
2a01:111:f403:ca38::8
52.101.103.137
52.101.68.3
52.101.68.36
52.101.73.155		 mail-du2pr03cu00102.inbound.protection.outlook.com
mail-db4pr02cu00406.inbound.protection.outlook.com
mail-am6pr02cu00204.inbound.protection.outlook.com
mail-wa4pr04cu00100.inbound.protection.outlook.com
mail-miypr02cu00101.inbound.protection.outlook.com
mail-db7pr03cu00403.inbound.protection.outlook.com
mail-db5pr02cu00104.inbound.protection.outlook.com
mail-am7pr02cu00203.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#

ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 40.104.116.40

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

4 records   166ms
TXT Record
MS=ms40365427
Sendinblue-code:ef669f9bbb7a25634b6b44693b512ec6
v=DMARC1; p=none;
v=spf1 include:spf.protection.outlook.com include:spf.mandrillapp.com include:spf.dixa.io include:spf.sendinblue.com mx -all

✉️ SPF#

PolicyRecord (blueforsure.dk)
-all (hard fail) v=spf1 include:spf.protection.outlook.com include:spf.mandrillapp.com include:spf.dixa.io include:spf.sendinblue.com mx -all

📨 DMARC#

PolicyRecord (_dmarc.blueforsure.dk)
p=none (monitor only) v=DMARC1; p=none; sp=none; rua=mailto:dmarc@mailinblue.com!10m; ruf=mailto:dmarc@mailinblue.com!10m; rf=afrf; pct=100; ri=86400

📬 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 09:43:43
www CNAMEproxy-ssl.webflow.com (all on webflow.com)
www vs bare domainSame network
WildcardNo
Denial of existenceNSEC zone can be walked (all names enumerable)
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found
SelectorCNAMEKey
mail — RSA · ~1024 bit below 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: 6/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

123ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2024091701
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-21 10:51:31
FieldValue
RegistrarSimply.com A/S
Registered2020-08-31
Expires2027-08-31 (313d)

🔗 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#

NS
63ms
A
54ms
MX
72ms
AAAA
33ms
TXT
166ms
CAA
61ms
HTTPS
69ms
TLSA
608ms
SOA
0ms
MTA-STS
59ms
DNSSEC
123ms
SRV
58ms
Total
1228ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-13 09:43:43 1430ms 4 NS 2 A 1 MX 🔒 Secure
2026-10-01 15:48:49 2313ms 4 NS 2 A 1 MX 🔒 Secure
2026-09-30 15:39:24 1039ms 4 NS 2 A 1 MX 🔒 Secure
2026-09-30 08:44:42 929ms 4 NS 2 A 1 MX 🔒 Secure
2026-08-27 22:28:43 985ms 4 NS 2 A 1 MX 🔒 Secure
2026-08-26 22:18:42 shown 1228ms 4 NS 2 A 1 MX 🔒 Secure
2026-08-25 21:01:52 1119ms 4 NS 2 A 1 MX 🔒 Secure
2026-06-28 09:32:48 823ms 4 NS 2 A 1 MX 🔒 Secure
2026-06-20 07:36:34 866ms 4 NS 2 A 1 MX 🔒 Secure
2026-06-20 04:44:39 1069ms 4 NS 2 A 1 MX 🔒 Secure
2026-06-16 15:06:58 2033ms 4 NS 2 A 1 MX 🔒 Secure
2026-06-16 15:04:37 646ms 4 NS 2 A 1 MX 🔒 Secure
2026-06-16 15:04:26 3283ms 4 NS 2 A 1 MX 🔒 Secure
2026-06-16 15:00:43 767ms 4 NS 2 A 1 MX 🔒 Secure
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