boox.dk

Records from scan: 2026-10-18 11:38:06  ·  2037ms total  ·  last checked 2026-10-20 18:31 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

boox.dk is a .dk domain served by 2 nameservers (holly.ns.cloudflare.com, jack.ns.cloudflare.com). It was registered on 27 December 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.51.12 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.runbox.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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   87ms
NameserverIP addressesPTRASN / ISP
holly.ns.cloudflare.com 108.162.194.133
162.159.38.133
172.64.34.133
2606:4700:50::a29f:2685
2803:f800:50::6ca2:c285
2a06:98c1:50::ac40:2285		 holly.ns.cloudflare.com
holly.ns.cloudflare.com
holly.ns.cloudflare.com
holly.ns.cloudflare.com
holly.ns.cloudflare.com
holly.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
jack.ns.cloudflare.com 108.162.193.121
172.64.33.121
173.245.59.121
2606:4700:58::adf5:3b79
2803:f800:50::6ca2:c179
2a06:98c1:50::ac40:2179		 jack.ns.cloudflare.com
jack.ns.cloudflare.com
jack.ns.cloudflare.com
jack.ns.cloudflare.com
jack.ns.cloudflare.com
jack.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.

🌍 A Records#

2 records   75ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.51.12 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.216.98 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   122ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mx.runbox.com 185.226.149.25 aibo.runbox.com AS50304 Blix Solutions AS

🔷 AAAA Records (IPv6)#

2 records   72ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3030::ac43:d862 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3036::6815:330c 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   115ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.51.12,172.67.216.98 ech=AEX+DQBBGQAgACC7m7JCpWgK1VLIlROWlFWgUBgD0lBQhZRSiMF+gGkqWAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:d862,2606:4700:3036::6815:330c

📝 TXT Records#

1 records   435ms
TXT Record
v=spf1 redirect=spf.runbox.com

✉️ SPF#

PolicyRecord (boox.dk)
redirect=spf.runbox.com v=spf1 redirect=spf.runbox.com

📨 DMARC#

PolicyRecord (_dmarc.boox.dk)
p=none (monitor only) v=DMARC1; p=none; rua=mailto:cloudflare@flybilleder.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#

checked 2026-10-18 11:38:06
www104.21.51.12 172.67.216.98 2606:4700:3030::ac43:d862 2606:4700:3036::6815:330c (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceCompact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.boox.dk 36p1Om05-31u5PnxROwSXp3BinXjOGHAuEHdS1IznRA
TXT _acme-challenge.boox.dk Th37gJw1_0lEzc73QW-BYDqG54Y13nP9jhAHVaBh5Sw

🔗 TLSA / DANE#

7 records   575ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.runbox.com DANE-TA · SPKI · SHA-256 A698A20824BE04E47A1A33C4FA488731…
SMTP _25._tcp.mx.runbox.com DANE-TA · SPKI · SHA-256 B3FB5D00E994CDDF2CC9A4EEA9F806BC…
SMTP _25._tcp.mx.runbox.com DANE-EE · SPKI · SHA-256 9A5D69227185C22FB9204903B517A029…
SMTP _25._tcp.mx.runbox.com DANE-TA · SPKI · SHA-256 2E8307068B6DB620E4A39D068B5DEE5D…
SMTP _25._tcp.mx.runbox.com DANE-TA · SPKI · SHA-256 51AAA87D984B559AC69E929F888A022D…
SMTP _25._tcp.mx.runbox.com DANE-TA · SPKI · SHA-256 6EBCEFB4210B088654A38B03FEA3D7D1…
SMTP _25._tcp.mx.runbox.com DANE-TA · SPKI · SHA-256 9D637B3D27A9E570D07607B9CCADB80A…

🔐 DNSSEC#

318ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

47ms
FieldValue
Serial2417726122
Primary NS (MNAME)holly.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-17 10:44:11
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2007-12-27
Expires2026-12-31 (71d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
87ms
A
75ms
MX
122ms
AAAA
72ms
TXT
435ms
CAA
118ms
HTTPS
115ms
TLSA
575ms
SOA
47ms
MTA-STS
246ms
DNSSEC
318ms
SRV
240ms
Total
2037ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-18 11:38:06 shown 2037ms 2 NS 2 A 1 MX 🔒 Secure
2026-10-17 10:20:10 2592ms 2 NS 2 A 1 MX 🔒 Secure
2026-10-14 09:37:32 1407ms 2 NS 2 A 1 MX 🔒 Secure
2026-10-11 20:39:15 1378ms 2 NS 2 A 1 MX 🔒 Secure
2026-10-10 19:36:55 964ms 2 NS 2 A 1 MX 🔒 Secure
2026-10-02 09:25:53 935ms 2 NS 2 A 1 MX 🔒 Secure
2026-10-01 02:33:51 862ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-17 18:11:41 1769ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-04 10:35:43 549ms 2 NS 2 A 1 MX 🔒 Secure
2026-08-28 07:26:17 775ms 2 NS 2 A 1 MX 🔒 Secure
2026-08-24 16:10:18 4528ms 2 NS 2 A 1 MX 🔒 Secure
2026-08-13 14:33:43 3085ms 2 NS 2 A 1 MX 🔒 Secure
2026-08-01 13:38:39 2244ms 2 NS 2 A 1 MX 🔒 Secure
2026-07-08 13:09:14 1648ms 2 NS 2 A 1 MX 🔒 Secure
2026-06-28 14:10:20 1766ms 2 NS 2 A 1 MX 🔒 Secure
2026-06-25 02:11:54 1285ms 2 NS 2 A 1 MX 🔒 Secure
2026-06-20 04:42:43 514ms 2 NS 2 A 1 MX 🔒 Secure
2026-06-16 16:18:54 1680ms 2 NS 2 A 1 MX 🔒 Secure
2026-06-16 16:10:19 1850ms 2 NS 2 A 1 MX 🔒 Secure
2026-06-16 16:03:50 482ms 2 NS 2 A 1 MX 🔒 Secure
2026-06-16 16:00:30 568ms 2 NS 2 A 1 MX 🔒 Secure
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