blueforsure.dk

📜 Historical scan 2026-06-28 09:32:48  ·  ← 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   32ms
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   29ms
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   30ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s blueforsure-dk.mail.protection.outlook.com 2a01:111:f403:ca04::e
2a01:111:f403:ca09::
2a01:111:f403:ca09::7
2a01:111:f403:ca09::8
52.101.68.21
52.101.73.24
52.101.73.4
52.101.73.8		 mail-db8pr02cu00106.inbound.protection.outlook.com
mail-am3pr04cu00500.inbound.protection.outlook.com
mail-am9pr04cu00107.inbound.protection.outlook.com
mail-as2pr05cu00100.inbound.protection.outlook.com
mail-db4pr02cu00205.inbound.protection.outlook.com
mail-as8pr05cu00300.inbound.protection.outlook.com
mail-am0pr83cu00404.inbound.protection.outlook.com
mail-am0pr04cu00500.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 → 40.104.116.24

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

4 records   120ms
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#

56ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

30ms
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 (312d)

🔗 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
32ms
A
29ms
MX
30ms
AAAA
28ms
TXT
120ms
CAA
34ms
HTTPS
30ms
TLSA
213ms
SOA
30ms
MTA-STS
34ms
DNSSEC
56ms
SRV
30ms
Total
823ms

🕐 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 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 shown 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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