ackermann.dk

Records from scan: 2026-09-18 05:32:01  ·  1885ms total  ·  last checked 2026-10-16 13:32 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ackermann.dk is a .dk domain served by 2 nameservers (burt.ns.cloudflare.com, tegan.ns.cloudflare.com). It was registered on 30 June 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.33.156 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 not DNSSEC-signed, 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   39ms
NameserverIP addressesPTRASN / ISP
burt.ns.cloudflare.com 108.162.193.79
172.64.33.79
173.245.59.79
2606:4700:58::adf5:3b4f
2803:f800:50::6ca2:c14f
2a06:98c1:50::ac40:214f		 burt.ns.cloudflare.com
burt.ns.cloudflare.com
burt.ns.cloudflare.com
burt.ns.cloudflare.com
burt.ns.cloudflare.com
burt.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
tegan.ns.cloudflare.com 108.162.192.226
172.64.32.226
173.245.58.226
2606:4700:50::adf5:3ae2
2803:f800:50::6ca2:c0e2
2a06:98c1:50::ac40:20e2		 tegan.ns.cloudflare.com
tegan.ns.cloudflare.com
tegan.ns.cloudflare.com
tegan.ns.cloudflare.com
tegan.ns.cloudflare.com
tegan.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   36ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.33.156 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.164.118 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

5 records   34ms
PriorityTTLMail ServerIP addressesPTRASN
1 300s aspmx.l.google.com 2a00:1450:4010:c0e::1a
2a00:1450:4010:c0e::1a
64.233.162.26		 lu-in-x1a.1e100.net
lu-in-f26.1e100.net
li-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
5 300s alt1.aspmx.l.google.com 192.178.158.27
2404:6800:4013:813::1b		 lcdels-in-f27.1e100.net
lcdels-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
5 300s alt2.aspmx.l.google.com 173.194.41.27
173.194.41.27
2404:6800:4001:c01::1b		 yukulwh-in-f27.1e100.net
mad01s14-in-f27.1e100.net
yukulwh-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
10 300s alt3.aspmx.l.google.com 172.253.158.27
2404:6800:4003:c26::1a		 so-in-f27.1e100.net
so-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
10 300s alt4.aspmx.l.google.com 108.177.125.26
2404:6800:4008:c01::1a		 tp-in-f26.1e100.net
tp-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscovercdn.webflow.com → 198.202.211.1
🔶 Autoconfigcdn.webflow.com → 198.202.211.1

🔷 AAAA Records (IPv6)#

2 records   41ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3030::6815:219c 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3035::ac43:a476 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   40ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.33.156,172.67.164.118 ech=AEX+DQBBygAgACAbIAKu8YG0YVCr8hU5trJC38qUnUVJgvXdo9FSUxjUcAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:219c,2606:4700:3035::ac43:a476

📝 TXT Records#

5 records   155ms
TXT Record
facebook-domain-verification=le5i52hhuhtkddmfss839q12kli7em
google-site-verification=5GIchyIklE-pOyZKfET2FtlBv4k6NBhYIWU57KhvLFY
google-site-verification=7pQkh2nPucdmds5IqNzrwECVWYruCTkYgujmB5hm_G8
google-site-verification=Wju9-1bS62ii6SNRDCUxPu9AOOt9Zi5LK97eZM5v9Lo
v=spf1 include:spf.simply.com include:_spf.google.com include:spf.autopilothq.com include:sendgrid.net include:19589062.spf08.hubspotemail.net ~all

✉️ SPF#

PolicyRecord (ackermann.dk)
~all (soft fail) v=spf1 include:spf.simply.com include:_spf.google.com include:spf.autopilothq.com include:sendgrid.net include:19589062.spf08.hubspotemail.net ~all

📨 DMARC#

PolicyRecord (_dmarc.ackermann.dk)
p=none (monitor only) v=DMARC1; p=none;

📬 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 2026-10-08 19:36:44
www104.21.33.156 172.67.164.118 2606:4700:3030::6815:219c 2606:4700:3035::ac43:a476 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 6/10 · policy: ~all

No problems found

🔏 ACME Challenge#

TypeNameValue
CNAME _acme-challenge.ackermann.dk cdn.webflow.com

🔗 TLSA / DANE#

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

🔐 DNSSEC#

118ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2414806591
Primary NS (MNAME)burt.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-10 02:07:28
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2000-06-30
Expires2030-06-30 (1352d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
39ms
A
36ms
MX
34ms
AAAA
41ms
TXT
155ms
CAA
42ms
HTTPS
40ms
TLSA
203ms
SOA
0ms
MTA-STS
95ms
DNSSEC
118ms
SRV
157ms
Total
1885ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-18 05:32:01 shown 1885ms 2 NS 2 A 5 MX 🔓 Insecure
2026-09-06 04:38:56 1835ms 2 NS 2 A 5 MX 🔓 Insecure
2026-08-28 16:30:31 2059ms 2 NS 2 A 5 MX 🔓 Insecure
2026-08-21 08:34:56 11001ms 2 NS 2 A 5 MX 🔓 Insecure
2026-08-20 06:53:15 9710ms 2 NS 2 A 5 MX 🔓 Insecure
2026-07-17 09:53:19 1444ms 2 NS 2 A 5 MX 🔓 Insecure
2026-07-02 01:24:25 1076ms 2 NS 2 A 5 MX 🔓 Insecure
2026-06-16 12:40:08 953ms 2 NS 2 A 5 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone