debian-linux.dk

Records from scan: 2026-10-20 21:38:41  ·  1679ms total
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

debian-linux.dk is a .dk domain served by 2 nameservers (hera.ns.cloudflare.com, noel.ns.cloudflare.com). It was registered on 8 February 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.71.81 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, has no 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   74ms
NameserverIP addressesPTRASN / ISP
hera.ns.cloudflare.com 108.162.192.162
172.64.32.162
173.245.58.162
2606:4700:50::adf5:3aa2
2803:f800:50::6ca2:c0a2
2a06:98c1:50::ac40:20a2		 hera.ns.cloudflare.com
hera.ns.cloudflare.com
hera.ns.cloudflare.com
hera.ns.cloudflare.com
hera.ns.cloudflare.com
hera.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
noel.ns.cloudflare.com 108.162.193.216
172.64.33.216
173.245.59.216
2606:4700:58::adf5:3bd8
2803:f800:50::6ca2:c1d8
2a06:98c1:50::ac40:21d8		 noel.ns.cloudflare.com
noel.ns.cloudflare.com
noel.ns.cloudflare.com
noel.ns.cloudflare.com
noel.ns.cloudflare.com
noel.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   71ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.71.81 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.143.248 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

5 records   71ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s aspmx.l.google.com 2a00:1450:4001:c21::1b
66.102.1.26		 lcfrai-in-f27.1e100.net
wb-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
20 300s alt1.aspmx.l.google.com 142.250.147.27
2a00:1450:4025:c01::1a		 rd-in-f27.1e100.net
rd-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
20 300s alt2.aspmx.l.google.com 172.253.152.26
2a00:1450:4001:c21::1a		 yulpptr-in-f26.1e100.net
lcfrai-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
30 300s aspmx2.googlemail.com 192.178.213.27
2a00:1450:4013:c1e::1a		 yugrqzs-in-f27.1e100.net
yugrqzs-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
30 300s aspmx3.googlemail.com 142.251.127.26
2a00:1450:4001:c21::1a		 lcfrai-in-f26.1e100.net
lcfrai-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records   74ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3031::ac43:8ff8 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3032::6815:4751 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   90ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.71.81,172.67.143.248 ech=AEX+DQBBkQAgACCs4ea9S26jOcBjmFmLiJrZbLcanQlhh1g1+VScExaiNAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:8ff8,2606:4700:3032::6815:4751

📝 TXT Records#

2 records   273ms
TXT Record
google-site-verification=8k4DNymmyP8jXXIcDVb_GouA5sR1PAXeXmVLKXwckyE
v=spf1 include:aspmx.googlemail.com ~all.

✉️ SPF#

PolicyRecord (debian-linux.dk)
no all — incomplete SPF v=spf1 include:aspmx.googlemail.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#

checked 2026-10-20 21:38:41
www104.21.71.81 172.67.143.248 2606:4700:3031::ac43:8ff8 2606:4700:3032::6815:4751 (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: 2/10 · policy: none

  • error Unknown mechanism "~all.": receivers treat the record as a permanent error
  • warn No "all" and no redirect: mail from unlisted servers gets a neutral result

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

172ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

63ms
FieldValue
Serial2417983402
Primary NS (MNAME)hera.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-20 22:03:31
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2006-02-08
Expires2027-02-28 (129d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
74ms
A
71ms
MX
71ms
AAAA
74ms
TXT
273ms
CAA
82ms
HTTPS
90ms
TLSA
259ms
SOA
63ms
MTA-STS
115ms
DNSSEC
172ms
SRV
123ms
Total
1679ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-20 21:38:41 shown 1679ms 2 NS 2 A 5 MX 🔒 Secure
2026-09-27 00:37:51 892ms 2 NS 2 A 5 MX 🔒 Secure
2026-09-23 23:02:43 891ms 2 NS 2 A 5 MX 🔒 Secure
2026-09-21 23:27:56 784ms 2 NS 2 A 5 MX 🔒 Secure
2026-09-05 10:14:51 2839ms 2 NS 2 A 5 MX 🔒 Secure
2026-08-22 07:25:55 2522ms 2 NS 2 A 5 MX 🔒 Secure
2026-08-21 07:18:28 8347ms 2 NS 2 A 5 MX 🔒 Secure
2026-08-09 15:20:03 2868ms 2 NS 2 A 5 MX 🔒 Secure
2026-07-27 11:51:46 17389ms 2 NS 2 A 5 MX 🔒 Secure
2026-07-26 11:15:39 1978ms 2 NS 2 A 5 MX 🔒 Secure
2026-07-16 17:23:55 1346ms 2 NS 2 A 5 MX 🔒 Secure
2026-06-29 10:17:56 1027ms 2 NS 2 A 5 MX 🔒 Secure
2026-06-24 03:30:50 1080ms 2 NS 2 A 5 MX 🔒 Secure
2026-06-22 10:57:48 1011ms 2 NS 2 A 5 MX 🔒 Secure
2026-06-17 01:25:26 774ms 2 NS 2 A 5 MX 🔒 Secure
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