mathstruct.org - robtex.com
mathstruct.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:50c0:8002::153🇺🇸 Fastly2606:50c0:8002::/48 + 88 Colin P Kelly Jr Street San Francisco CA 94107 United States | ||||||
| A | 185.199.111.153🇺🇸 Fastly185.199.111.0/24 GitHub - 185.199.111.0/24 | ||||||
| NS | shades19.rzone.de ⭐ | ||||||
| A | 2607:f1c0:fe:53:185:132:34:146🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US | ||||||
| PTR | shades19.rzone.de | ||||||
| A | 185.132.34.146🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS) | ||||||
| PTR | shades19.rzone.de | ||||||
| NS | docks05.rzone.de | ||||||
| A | 2001:8d8:fe:53:5747:2a74:d:5🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific | ||||||
| PTR | docks05.rzone.de | ||||||
| A | 217.160.80.132🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific | ||||||
| PTR | docks05.rzone.de | ||||||
| MX | mail.mathstruct.org ⭐ | ||||||
| A | 2a01:239:4bf:3900::1🇩🇪 IONOS-AS2a01:239::/32 IONOS SE ber.de | ||||||
| PTR | mail.mathstruct.org | ||||||
| A | 217.154.92.231🇬🇧 IONOS-AS217.154.92.0/22 IONOS SE ber.de | ||||||
| PTR | mail.mathstruct.org | ||||||
| TXT | v=spf1 mx -all | ||||||
| SOA | shades19.rzone.dehostmaster@strato-rz.de 2024-11-31 #30 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | v0n0.pir-ns.org ⭐ | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| NS | v0n1.pir-ns.org | ||||||
| NS | v0n2.pir-ns.org | ||||||
| SOA | v0n0.pir-ns.orghostmaster@donuts.email serial=1794122062 | ||||||
Subdomains
mail.mathstruct.org |
Same first word
mathstruct.xyz |
mathstruct.org |
Similar names
Previous names
Next names
DNS History
6 records (5 active, 1 former)
●MXmail.mathstruct.org2026-09-15 → 2026-11-08 · 5 obs
● 2026-09-15 08:15:32
○ 2026-11-06 16:17:32
● 2026-11-08 07:28:28
● 2026-11-08 07:28:30
○MXsmtpin.rzone.de2026-09-14 → 2026-09-14 · 3 obs
○ 2026-09-15 08:15:32
○ 2026-11-08 07:28:30
●A185.199.111.1532026-09-14 → 2026-11-08 · 4 obs
○ 2026-11-06 16:17:32
● 2026-11-08 07:28:28
● 2026-11-08 07:28:30
●A2606:50c0:8002::1532026-09-14 → 2026-11-08 · 4 obs
○ 2026-11-06 16:17:32
● 2026-11-08 07:28:28
● 2026-11-08 07:28:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, d0.org.afilias-nst.org, v0n0.pir-ns.org, v0n1.pir-ns.org... | - |
| mathstruct.org | shades19.rzone.de, docks05.rzone.de | - |
✅ Authoritative Response
Server:185.132.34.146
NS records: shades19.rzone.de, docks05.rzone.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mathstruct.org (unsigned zone)
⏱️ Timing
Total: 934ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.199.111.153 |
| AAAA | 1 | 2606:50c0:8002::153 |
| NS | 2 | docks05.rzone.de, shades19.rzone.de |
| MX | 1 | mail.mathstruct.org (pri: 10) |
| TXT | 1 | v=spf1 mx -all |
| SOA | 1 | shades19.rzone.de hostmaster.strato-rz.d |
Analysis
Hierarchy
mail.mathstruct.org is a subdomain of mathstruct.org.
IP Addresses
mathstruct.org points to the IP addresses 185.199.111.153 and 2606:50c0:8002::153
Two other host names, along with inviite.me, pbsn.ca and demesne.club, also share IP numbers with mathstruct.org.
Name Servers
mathstruct.org has two authoritative name servers — docks05.rzone.de and shades19.rzone.de.
mathstruct.org shares its NS records with other domains, for example animore.care, dsn-tischlerei.com, productionmachines.co.uk and two others.
The name servers of mathstruct.org overlap at least partially with those of other domains — among them daehmlow.de, bfnet.de, handwerkunddigital.de and two more.
These name servers commonly appear in delegations together with docks13.rzone.de, shades04.rzone.de, shades15.rzone.de and 7 other.
Both docks05.rzone.de and shades19.rzone.de have two IP addresses each. docks05.rzone.de resolves to 217.160.80.132 and 2001:8d8:fe:53:5747:2a74:d:5; shades19.rzone.de resolves to 185.132.34.146 and 2607:f1c0:fe:53:185:132:34:146.
Mail Servers
The sole mail server for mathstruct.org is mail.mathstruct.org.
mail.mathstruct.org resolves to two IP numbers — 217.154.92.231 and 2a01:239:4bf:3900::1.