Website
- Answer
- 200 OKin 169 ms
- Ends at
- https://www.mathema.de/
- Redirects
- https://mathema.de/ (301)
- Title
- MATHEMA GmbH | Software Experten
- Server
- Apache/2.4.68 (Debian)
- Protocols
- HTTP/1.1
- Certificate
- Let's Encrypt (YE2) for mathema.de and www.mathema.de, valid until
- www
- Answers itself (200 OK)
DNS records
mathema.de
- TXT
- MS=ms71064854
- google-site-verification=8V8hZyVG-vMb-n7XvrBOHwdJWf5SE4SdftEmEmaAF2g
- v=spf1 include:spf.protection.outlook.com -all
- TTL 1 min
- SOA
- Primary server
- hydrogen.ns.hetzner.com
- Contact
- dns@hetzner.com
- Serial
- 2026103101
- Refresh
- 1 day
- Retry
- 3 hours
- Expire
- 42 days
- Negative TTL
- 1 hour
- TTL 1 day
- CAA
- None: any certificate authority may issue for this name
www.mathema.de
_dmarc.mathema.de
- TXT
- v=DMARC1; p=none
- TTL 1 min
As oxygen.ns.hetzner.com answers them
Reputation
Domain blocklists
- Spamhaus DBL Not listed
- SURBL Not listed
- URIBL Not listed
Rankings
925,475
Tranco rank
down from 920,427 on 2026-09-21
2.85Open PageRank, out of 10
1,967,557Open PageRank position
19Referring domains
From Tranco and Open PageRank
WHOIS
Domain: mathema.de Status: connect
DNSSEC
mathema.de is not signed.
. Verified
- Found 3 DNSKEY records for .
- DS=20326/SHA-256 verifies DNSKEY=20326/SEP
- DS=38696/SHA-256 verifies DNSKEY=38696/SEP
- Found 1 RRSIGs over DNSKEY RRset
- RRSIG=38696 and DNSKEY=38696/SEP verifies the DNSKEY RRset
de Verified
- Found 1 DS records for de in the . zone
- DS=26755/SHA-256 has algorithm RSASHA256
- Found 1 RRSIGs over DS RRset
- RRSIG=8763 and DNSKEY=8763 verifies the DS RRset
- Found 2 DNSKEY records for de
- DS=26755/SHA-256 verifies DNSKEY=26755/SEP
- Found 1 RRSIGs over DNSKEY RRset
- RRSIG=26755 and DNSKEY=26755/SEP verifies the DNSKEY RRset
mathema.de Not signed
- No DS records found for mathema.de in the de zone