Skip to main content
CIDR
/20 · 4.1K IPs
ASN
dogado GmbH
Reverse DNS
alfahosting.de
Last scanned 1 days ago
Blocklisted
Checking…
Scanning blocklists

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

86/100
Trusted
How this score is built

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

DNS records

Reverse DNS (PTR)
alfahosting.de
Forward-confirmed (FCrDNS)
✓ Confirmed
PTR TTL
900 s
Reverse DNS last checked
2026-07-19 12:13 UTC
Forward DNS last checked
2026-07-19 12:13 UTC

Forward DNS records for alfahosting.de

TypeValuePriorityTTL
A 109.237.142.17 172800s
MX mx03.secure-mailgate.com 10
MX mx04.secure-mailgate.com 10
NS cns1.alfahosting.info
NS cns2.alfahosting.info
NS cns3.alfahosting.info
TXT MS=ms15469279
TXT ZOOM_verify_qESIL1mDTk2HF_QZ377dbw
TXT apple-domain-verification=THEeSfxXCNTeNvSZ
TXT atlassian-domain-verification=KKeihQSanTHe0l1pqlAF48oghg9rSqxhRZakMd/Gq8e8xTF/maaW2agw60HZU5va
TXT brevo-code:b8cdecc15d764d43e08db834aeddb696
TXT docker-verification=97145d14-c5aa-448c-af39-61282b6bcc37
TXT google-site-verification=-_BDHkJKBIm1it6ozOIqUOOMt0RVp3UfGgb6DIN6dFo
TXT google-site-verification=Be_YqmycF5oH7Dq0rQwkAYF05CHFaq2sRoQfw2Fjsok
TXT google-site-verification=ZSheVBxBKudHQzQfbvik3M9ebZFQazcI3GqW1b0Mc-Y
TXT mixpanel-domain-verify=eaffae86-6d9c-4d8e-a719-1fdc9ba840e8
TXT slack-domain-verification=W5IAc5269afTw5gy7SyP6rh6OizvWZ0a5sLjlgko
TXT teamviewer-sso-verification=6549e464d0b8423fa1f222bb79ddbb59
TXT v=DMARC1;p=none;sp=none;pct=100;aspf=s;rua=mailto:dmarc@cp.wum.dogado.net,mailto:noreply-dmarc@dogado.de;ruf=mailto:dmarc@cp.wum.dogado.net;ri=86400;fo=s
TXT v=spf1 include:_spf.cio.g1i.one include:spf.protection.outlook.com include:secure-mailgate.com include:mail.zendesk.com a:smtpud01.udag.de a:smtpud02.udag.de ip4:109.237.142.13 ip4:109.237.142.29 -all
every IP & sub-domain we've seen under this domain

Reverse & forward DNS collected by the WorldIP scanner fleet — FCrDNS confirms the PTR hostname resolves back to this IP.

Network Allocation for 109.237.142.17

CIDR range
109.237.128.0/20
IP range (int)
1,844,281,344 — 1,844,285,439
Prefix length
/20
Organization
dogado GmbH
ASN
AS45012
ASN name
dogado GmbH
Location
Germany
Coordinates
51.299300, 9.491000
Accuracy radius
200 km
Regional Internet Registry
RIPE
Allocated
2010-01-14
Data source(s)
maxmind_city, maxmind_asn, maxmind_country, ipinfo_lite
Last updated
2026-07-08 18:21:22

Origin AS announcing the most-specific prefix that covers this IP, observed across our RIPE RIS collectors.

Announced prefix
Origin AS
Announcement samples
6,870
Last seen
2026-07-20 00:14:08

Frequently Asked Questions

Who owns 109.237.142.17?

109.237.142.17 is allocated to dogado GmbH (AS45012), registered in Germany.

Where is 109.237.142.17 located?

The geolocation for 109.237.142.17 maps to Germany based on MaxMind GeoLite2 data. Accuracy depends on the provider and may represent the ISP's regional hub rather than the exact endpoint.

What network is 109.237.142.17 on?

109.237.142.17 belongs to the 109.237.128.0/20 network block announced by AS45012. This range contains 4,096 addresses.

Does 109.237.142.17 have a reverse DNS record?

Reverse DNS (PTR) records are resolved live when you visit this page. If a PTR record exists, it appears in the Reverse DNS field above. PTR records map IP addresses back to hostnames and are commonly used for email authentication and network diagnostics.

Neighbors

Other addresses in the same /24.

Related

Last updated: 2026-07-19 05:20:10 UTC
Share