blueforsure.dk

📜 Historical scan 2026-06-20 04:44:39 · ← 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 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 83ms

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
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

2 records 104ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
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 91ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	blueforsure-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::5 2a01:111:f403:ca04::a 2a01:111:f403:ca09::f 52.101.68.36 52.101.68.5 52.101.73.1 52.101.73.12	mail-db7pr03cu00401.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am4pr0401cu00104.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 → 40.104.116.8

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

4 records 440ms

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#

Policy	Record (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#

Policy	Record (_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 CNAME	proxy-ssl.webflow.com (all on webflow.com) → 18.202.8.75 3.248.56.152 54.155.19.65 (AS16509)
www vs bare domain	Same network blueforsure.dk: 75.2.70.75 99.83.190.102 (AS16509) www.blueforsure.dk: 18.202.8.75 3.248.56.152 54.155.19.65 (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
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#

207ms

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

🏷️ SOA#

88ms

Field	Value
Serial	2024091701
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

83ms

104ms

91ms

AAAA

94ms

TXT

440ms

CAA

93ms

HTTPS

82ms

TLSA

187ms

SOA

88ms

MTA-STS

62ms

DNSSEC

207ms

SRV

137ms

Total

1069ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
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	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 shown	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