rusfort.dk

📜 Historical scan 2026-09-12 06:22:45  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rusfort.dk is a .dk domain served by 2 nameservers (cory.ns.cloudflare.com, grace.ns.cloudflare.com). It was registered on 12 February 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.70.30 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.gestaltservers.com. 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   95ms
NameserverIP addressesPTRASN / ISP
cory.ns.cloudflare.com 108.162.193.93
172.64.33.93
173.245.59.93
2606:4700:58::adf5:3b5d
2803:f800:50::6ca2:c15d
2a06:98c1:50::ac40:215d		 cory.ns.cloudflare.com
cory.ns.cloudflare.com
cory.ns.cloudflare.com
cory.ns.cloudflare.com
cory.ns.cloudflare.com
cory.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
grace.ns.cloudflare.com 108.162.192.159
172.64.32.159
173.245.58.159
2606:4700:50::adf5:3a9f
2803:f800:50::6ca2:c09f
2a06:98c1:50::ac40:209f		 grace.ns.cloudflare.com
grace.ns.cloudflare.com
grace.ns.cloudflare.com
grace.ns.cloudflare.com
grace.ns.cloudflare.com
grace.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   70ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.70.30 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.218.207 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   123ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mail.gestaltservers.com 86.52.28.55 86-52-28-55.norlyscustomer.net AS39642 Sinal A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscovermail.gestaltservers.com → 86.52.28.55
🔶 Autoconfigmail.gestaltservers.com → 86.52.28.55

🔷 AAAA Records (IPv6)#

2 records   125ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3030::6815:461e 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3031::ac43:dacf 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   98ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.70.30,172.67.218.207 ech=AEX+DQBBvAAgACBPdGR3NkqgdOPGIKp7T5wWouZFXXmD7B9dDiR2O3jhXgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:461e,2606:4700:3031::ac43:dacf

🔌 SRV Records#

1 records   227ms
ServicePriorityWeightPortTarget
_imaps._tcp 0 1 993 mail.gestaltservers.com

📝 TXT Records#

1 records   254ms
TXT Record
v=spf1 include:mailgun.org ~all

✉️ SPF#

PolicyRecord (rusfort.dk)
~all (soft fail) v=spf1 include:mailgun.org ~all

📨 DMARC#

PolicyRecord (_dmarc.rusfort.dk)
p=none (monitor only) v=DMARC1; p=none; pct=100; fo=1; ri=3600; rua=mailto:e54b0fc6@dmarc.mailgun.org,mailto:xczbkgxe2x5@inbox.ondmarc.com; ruf=mailto:e54b0fc6@dmarc.mailgun.org,mailto:xczbkgxe2x5@inbox.ondmarc.com;

📬 MTA-STS#

209ms
CheckResult
Status⚠️ Invalid
TXT record (_mta-sts)✓ Found
HTTPS policy✗ Missing / invalid
Policy ID12937113655084103439
Policy MX—

📈 TLSRPT#

StatusReport address (rua)
✓ Enabled mailto:postmaster@rusfort.dk

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-08 01:08:11
www104.21.70.30 172.67.218.207 2606:4700:3030::6815:461e 2606:4700:3031::ac43:dacf (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: 5/10 · policy: ~all

No problems found

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.rusfort.dk 23zXaOULKCaIB5fkXHkQWHS_3sUaArtZnWBidsvMbck
TXT _acme-challenge.rusfort.dk 8QwZgM8W1cztTIKz6qqCGwyId1ysIeq9RMUtFtBwUW8

🔗 TLSA / DANE#

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

🔐 DNSSEC#

180ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2414623592
Primary NS (MNAME)cory.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-08 01:06:56
FieldValue
RegistrarSimply.com A/S
Registered2018-02-12
Expires2027-02-28 (128d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
95ms
A
70ms
MX
123ms
AAAA
125ms
TXT
254ms
CAA
132ms
HTTPS
98ms
TLSA
132ms
SOA
0ms
MTA-STS
209ms
DNSSEC
180ms
SRV
227ms
Total
1684ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-03 23:24:58 551ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-26 00:17:34 671ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-16 20:40:13 959ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-12 06:22:45 shown 1684ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-26 08:25:51 615ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-18 04:24:57 571ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-18 04:03:54 762ms 4 NS 1 A 1 MX 🔒 Secure
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