asergo.dk

📜 Historical scan 2026-09-08 14:45:13  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

asergo.dk is a .dk domain served by 2 nameservers (igor.ns.cloudflare.com, nina.ns.cloudflare.com). It was registered on 17 January 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.74.198 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail. 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   38ms
NameserverIP addressesPTRASN / ISP
igor.ns.cloudflare.com 108.162.193.119
172.64.33.119
173.245.59.119
2606:4700:58::adf5:3b77
2803:f800:50::6ca2:c177
2a06:98c1:50::ac40:2177		 igor.ns.cloudflare.com
igor.ns.cloudflare.com
igor.ns.cloudflare.com
igor.ns.cloudflare.com
igor.ns.cloudflare.com
igor.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
nina.ns.cloudflare.com 108.162.192.136
172.64.32.136
173.245.58.136
2606:4700:50::adf5:3a88
2803:f800:50::6ca2:c088
2a06:98c1:50::ac40:2088		 nina.ns.cloudflare.com
nina.ns.cloudflare.com
nina.ns.cloudflare.com
nina.ns.cloudflare.com
nina.ns.cloudflare.com
nina.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   49ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.74.198 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.206.55 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   49ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mail — — —

🔷 AAAA Records (IPv6)#

2 records   41ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3030::6815:4ac6 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3036::ac43:ce37 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   38ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.74.198,172.67.206.55 ech=AEX+DQBBCAAgACAfrD3GzS+Oe8aXV6VL0yyPaUmF57WY2IkR3wkIP+t5NAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:4ac6,2606:4700:3036::ac43:ce37

📝 TXT Records#

2 records   174ms
TXT Record
google-site-verification=x3DwdTBW0Flw1jLIsIUQaRFkzW163MiIw_k9l2HSEoM
v=spf1 ip4:82.103.152.170 ip4:82.103.152.171 ip4:82.103.152.181 ip4:82.103.152.195 ~all

✉️ SPF#

PolicyRecord (asergo.dk)
~all (soft fail) v=spf1 ip4:82.103.152.170 ip4:82.103.152.171 ip4:82.103.152.181 ip4:82.103.152.195 ~all

📨 DMARC#

PolicyRecord (_dmarc.asergo.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#

latest probe, not this scan · checked 2026-10-16 03:38:08
www104.21.74.198 172.67.206.55 2606:4700:3030::6815:4ac6 2606:4700:3036::ac43:ce37 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

✍️ DKIM keys#

1 found
SelectorCNAMEKey
dkim — 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: 0/10 · policy: ~all

No problems found

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.asergo.dk I9kAVq7mDZTwaZ0rZRvs7jDRFZTPGrB37lheAOG1yTg
TXT _acme-challenge.asergo.dk qxQ-mGG7znzzZ95xxYpJo7hSxO2hNzqZpei3xpJH5T4

🔗 TLSA / DANE#

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

🔐 DNSSEC#

2063ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2414251273
Primary NS (MNAME)igor.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-16 22:46:54
FieldValue
RegistrarKey-Systems GmbH
Registered2017-01-17
Expires2028-01-31 (471d)

🔗 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
38ms
A
49ms
MX
49ms
AAAA
41ms
TXT
174ms
CAA
52ms
HTTPS
38ms
TLSA
108ms
SOA
0ms
MTA-STS
66ms
DNSSEC
2063ms
SRV
64ms
Total
3032ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-16 03:38:07 2775ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-25 22:24:50 572ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-22 02:33:19 824ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-17 18:00:10 1623ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-08 14:45:13 shown 3032ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-29 23:47:55 507ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-18 01:20:06 1902ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-16 20:01:53 6150ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-25 19:23:22 2710ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-23 18:54:57 911ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-21 09:37:07 1106ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-16 13:44:22 651ms 2 NS 2 A 1 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone