line21.dk

📜 Historical scan 2026-10-07 17:15:50  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

line21.dk is a .dk domain served by 2 nameservers (james.ns.cloudflare.com, magali.ns.cloudflare.com). It was registered on 16 June 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.15.91 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.simply.com. The zone is not DNSSEC-signed, has no 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   29ms
NameserverIP addressesPTRASN / ISP
james.ns.cloudflare.com 108.162.193.178
172.64.33.178
173.245.59.178
2606:4700:58::adf5:3bb2
2803:f800:50::6ca2:c1b2
2a06:98c1:50::ac40:21b2		 james.ns.cloudflare.com
james.ns.cloudflare.com
james.ns.cloudflare.com
james.ns.cloudflare.com
james.ns.cloudflare.com
james.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
magali.ns.cloudflare.com 108.162.194.29
162.159.38.29
172.64.34.29
2606:4700:50::a29f:261d
2803:f800:50::6ca2:c21d
2a06:98c1:50::ac40:221d		 magali.ns.cloudflare.com
magali.ns.cloudflare.com
magali.ns.cloudflare.com
magali.ns.cloudflare.com
magali.ns.cloudflare.com
magali.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   35ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.15.91 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.205.170 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   29ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx.simply.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔶 Autoconfig172.67.205.170

🔷 AAAA Records (IPv6)#

2 records   41ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3030::ac43:cdaa 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3036::6815:f5b 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   42ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.15.91,172.67.205.170 ech=AEX+DQBB1QAgACDUxPEY6wZdpsELGeXrSajVDGNijlaDDzoiG10b5RThewAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:cdaa,2606:4700:3036::6815:f5b

🔌 SRV Records#

1 records   59ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 0 443 maildiscover.simply.com

📝 TXT Records#

3 records   173ms
TXT Record
google-site-verification=Epe7FZkbYMCJpxq57K7EIDrzBjxDhYcDgpBHJOGYVsM
google-site-verification=vrtj_nZ8BkZu30qHbKyUx4uSTBrGVjvPvNXMpoc-2f8
v=spf1 include:spf.simply.com -all

✉️ SPF#

PolicyRecord (line21.dk)
-all (hard fail) v=spf1 include:spf.simply.com -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 17:28:53
www104.21.15.91 172.67.205.170 2606:4700:3030::ac43:cdaa 2606:4700:3036::6815:f5b (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

3 records   49ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 4B949F05A63FED95FC94B3A83DD70167…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 97A3BA009F39C761BFFB6574340E8138…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 A9D603AF4D7ED6B9246B4B68500CD6F2…

🔐 DNSSEC#

58ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

39ms
FieldValue
Serial2414389912
Primary NS (MNAME)james.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-18 05:10:45
FieldValue
RegistrarSimply.com A/S
Registered2025-06-16
Expires2027-06-15 (239d)

🔗 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
29ms
A
35ms
MX
29ms
AAAA
41ms
TXT
173ms
CAA
39ms
HTTPS
42ms
TLSA
49ms
SOA
39ms
MTA-STS
45ms
DNSSEC
58ms
SRV
59ms
Total
467ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-08 17:28:53 3014ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-07 17:15:50 shown 467ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-24 11:30:38 547ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-12 20:17:16 779ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-06 23:39:24 1306ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-25 15:08:00 10237ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-22 12:05:08 1893ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-19 07:15:41 1708ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-07 21:23:28 1082ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-09 06:06:26 2465ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-25 14:20:48 886ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-18 06:11:59 767ms 2 NS 2 A 1 MX 🔓 Insecure
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