blueshield.dk

📜 Historical scan 2026-06-16 15:00:33  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

blueshield.dk is a .dk domain served by 2 nameservers (jonah.ns.cloudflare.com, tia.ns.cloudflare.com). It was registered on 12 January 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.79.189 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by route1.mx.cloudflare.net, route2.mx.cloudflare.net and 1 more. The zone is not DNSSEC-signed, 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#

2 records   83ms
NameserverIP addressesPTRASN / ISP
jonah.ns.cloudflare.com — — —
tia.ns.cloudflare.com — — —

🌍 A Records#

2 records   77ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.79.189 — — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.147.28 — — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

3 records   79ms
PriorityTTLMail ServerIP addressesPTRASN
35 — route1.mx.cloudflare.net 162.159.205.11
162.159.205.12
162.159.205.13		 route1.mx.cloudflare.net
route1.mx.cloudflare.net
route1.mx.cloudflare.net		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
47 — route2.mx.cloudflare.net 162.159.205.17
162.159.205.18
162.159.205.19		 route2.mx.cloudflare.net
route2.mx.cloudflare.net
route2.mx.cloudflare.net		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
69 — route3.mx.cloudflare.net 162.159.205.23
162.159.205.24
162.159.205.25		 route3.mx.cloudflare.net
route3.mx.cloudflare.net
route3.mx.cloudflare.net		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.

🔷 AAAA Records (IPv6)#

2 records   73ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3035::6815:4fbd — — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3035::ac43:931c — — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   75ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.79.189,172.67.147.28 ech=AEX+DQBBkQAgACClJENMjJCKs8qIfd+04OvwQP4hU5mfUQK6PmcbIChPAAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:4fbd,2606:4700:3035::ac43:931c

📝 TXT Records#

1 records   135ms
TXT Record
v=spf1 include:_spf.mx.cloudflare.net ~all

✉️ SPF#

PolicyRecord (blueshield.dk)
~all (soft fail) v=spf1 include:_spf.mx.cloudflare.net ~all

📨 DMARC#

PolicyRecord (_dmarc.blueshield.dk)
p=none (monitor only) v=DMARC1; p=none; rua=mailto:postmaster@blueshield.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 2026-10-08 04:59:17
www104.21.79.189 172.67.147.28 2606:4700:3037::6815:4fbd 2606:4700:3037::ac43:931c (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

✍️ DKIM keys#

1 found
SelectorCNAMEKey
default — 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: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

9 records   55ms
Service / OwnerTypeCert association
SMTP _25._tcp.route1.mx.cloudflare.net DANE-EE · SPKI · SHA-256 0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route1.mx.cloudflare.net DANE-TA · SPKI · SHA-256 59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route1.mx.cloudflare.net DANE-EE · SPKI · SHA-256 9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route2.mx.cloudflare.net DANE-TA · SPKI · SHA-256 59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route2.mx.cloudflare.net DANE-EE · SPKI · SHA-256 0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route2.mx.cloudflare.net DANE-EE · SPKI · SHA-256 9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route3.mx.cloudflare.net DANE-TA · SPKI · SHA-256 59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route3.mx.cloudflare.net DANE-EE · SPKI · SHA-256 9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route3.mx.cloudflare.net DANE-EE · SPKI · SHA-256 0F0C6C164A36F97E7B4C5A5B69D6F4F2…

🔐 DNSSEC#

155ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

69ms
FieldValue
Serial2406703572
Primary NS (MNAME)jonah.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-10 21:44:55
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2011-01-12
Expires2027-01-31 (105d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
83ms
A
77ms
MX
79ms
AAAA
73ms
TXT
135ms
CAA
76ms
HTTPS
75ms
TLSA
55ms
SOA
69ms
MTA-STS
2055ms
DNSSEC
155ms
SRV
0ms
Total
2825ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-08 04:59:17 822ms 2 NS 2 A 3 MX 🔓 Insecure
2026-10-07 09:28:21 658ms 2 NS 2 A 3 MX 🔓 Insecure
2026-10-02 03:41:07 4358ms 2 NS 2 A 3 MX 🔓 Insecure
2026-10-01 03:32:09 810ms 2 NS 2 A 3 MX 🔓 Insecure
2026-09-29 16:33:05 846ms 2 NS 2 A 3 MX 🔓 Insecure
2026-09-26 13:04:57 859ms 2 NS 2 A 3 MX 🔓 Insecure
2026-09-22 01:33:22 1393ms 2 NS 2 A 3 MX 🔓 Insecure
2026-09-05 10:58:45 3141ms 2 NS 2 A 3 MX 🔓 Insecure
2026-08-10 02:30:45 2054ms 2 NS 2 A 3 MX 🔓 Insecure
2026-08-08 06:15:44 1869ms 2 NS 2 A 3 MX 🔓 Insecure
2026-06-25 02:40:29 1039ms 2 NS 2 A 3 MX 🔓 Insecure
2026-06-20 18:03:26 1098ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-16 15:08:17 3342ms 2 NS 2 A 3 MX 🔓 Insecure
2026-06-16 15:06:43 3698ms 2 NS 2 A 3 MX 🔓 Insecure
2026-06-16 15:02:32 701ms 2 NS 2 A 3 MX 🔓 Insecure
2026-06-16 15:00:33 shown 2825ms 2 NS 2 A 3 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone