chelmers.com - robtex.com
chelmers.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 81.88.34.220🇩🇪 CLOUDPIT81.88.32.0/20 | ||||||
| PTR | host211.alfahosting-server.de | ||||||
| NS | cns1.alfahosting.info ⭐ | ||||||
| A | 2a01:64c0:0:5000::8🇩🇪 CLOUDPIT2a01:64c0::/32 | ||||||
| PTR | cns1.cloudpit.de | ||||||
| A | 109.237.142.8🇩🇪 CLOUDPIT109.237.128.0/20 | ||||||
| PTR | cns1.cloudpit.de | ||||||
| NS | cns2.alfahosting.info | ||||||
| A | 2a01:4f8:2b02:a88::105🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | cns2.cloudpit.com | ||||||
| A | 148.251.254.105🇩🇪 Hetzner148.251.0.0/16 HETZNER-RZ-BLK-ERX2 | ||||||
| PTR | cns2.cloudpit.com | ||||||
| NS | cns3.alfahosting.info | ||||||
| A | 2a02:2b80:101:5000::8🇩🇪 CLOUDPIT2a02:2b80:101::/48 | ||||||
| PTR | cns3.cloudpit.io | ||||||
| A | 109.237.143.8🇩🇪 CLOUDPIT109.237.128.0/20 | ||||||
| PTR | cns3.cloudpit.io | ||||||
| MX | mx03.secure-mailgate.com ⭐ | ||||||
| A | 46.243.88.174🇩🇪 CLOUDPIT46.243.88.0/21 | ||||||
| PTR | node03.secure-mailgate.com | ||||||
| A | 46.243.88.176🇩🇪 CLOUDPIT46.243.88.0/21 | ||||||
| PTR | node04.secure-mailgate.com | ||||||
| MX | mx04.secure-mailgate.com ⭐ | ||||||
| A | 46.243.88.175🇩🇪 CLOUDPIT46.243.88.0/21 | ||||||
| PTR | node03.secure-mailgate.com | ||||||
| A | 46.243.88.177🇩🇪 CLOUDPIT46.243.88.0/21 | ||||||
| PTR | node04.secure-mailgate.com | ||||||
| SOA | cns1.alfahosting.infohostmaster@alfahosting.de 2026-03-11 #2 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1771291435 | ||||||
Subdomains
mail.chelmers.com |
Same first word
chelmers.com |
Similar names
DNS History
8 records (6 active, 2 former)
●NScns1.alfahosting.info2015-07-22 → 2026-03-13 · 2 obs
● 2026-03-13 00:01:30
●NScns2.alfahosting.info2015-07-22 → 2026-03-13 · 2 obs
● 2026-03-13 00:01:30
●NScns3.alfahosting.info2015-07-22 → 2026-03-13 · 2 obs
● 2026-03-13 00:01:30
○MXmail.chelmers.com2015-07-22 → 2017-03-28 · 4 obs
● 2017-03-28 21:23:32
○ 2026-02-18 13:57:46
○ 2026-03-13 00:01:30
●MXmx03.secure-mailgate.com2026-02-18 → 2026-03-13 · 3 obs
● 2026-02-18 13:57:46
● 2026-03-13 00:01:30
●MXmx04.secure-mailgate.com2026-02-18 → 2026-03-13 · 3 obs
● 2026-02-18 13:57:46
● 2026-03-13 00:01:30
○A109.237.132.502015-07-22 → 2017-03-28 · 4 obs
● 2017-03-28 21:23:32
○ 2026-02-18 13:57:46
○ 2026-03-13 00:01:30
●A81.88.34.2202026-02-18 → 2026-03-13 · 3 obs
● 2026-02-18 13:57:46
● 2026-03-13 00:01:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| chelmers.com | cns3.alfahosting.info, cns2.alfahosting.info, cns1.alfahosting.info | - |
✅ Authoritative Response
Server: 109.237.142.8
NS records: cns3.alfahosting.info, cns2.alfahosting.info, cns1.alfahosting.info
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for chelmers.com (unsigned zone)
⏱️ Timing
Total: 977ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.88.34.220 |
| NS | 3 | cns1.alfahosting.info, cns2.alfahosting.info... |
| MX | 2 | mx04.secure-mailgate.com (pri: 10), mx03.secure-mailgate.com (pri: 10) |
| SOA | 1 | cns1.alfahosting.info hostmaster.alfahos |
Analysis
Hierarchy
The parent of mail.chelmers.com is chelmers.com.
IP Addresses
chelmers.com points to a single IP number: 81.88.34.220.
Other host names, for instance beratung-therapie-coaching24.de, mail.kugelblitz-grill.com, mail.gesundheit-alternativa.de, fxbn.de and he-al.de share IP numbers with chelmers.com.
Name Servers
The domain chelmers.com is delegated to three name servers: cns1.alfahosting.info, cns2.alfahosting.info and cns3.alfahosting.info.
chelmers.com shares name servers with other domains at least partially, for instance sportverein-spahnharrenstaette.com, openke.org, soluutivo.com, hofundgarten-wittstock.de and maru-na.net.
Host names with two IP numbers:
cns1.alfahosting.info points to 2a01:64c0:0:5000::8 and 109.237.142.8
cns2.alfahosting.info points to 2a01:4f8:2b02:a88::105 and 148.251.254.105
cns3.alfahosting.info points to 2a02:2b80:101:5000::8 and 109.237.143.8
Mail Servers
chelmers.com is handled by two mail servers: mx03.secure-mailgate.com and mx04.secure-mailgate.com.
chelmers.com shares the same mail server setup as other domains, including live(0x736578).fi, lebensfreude70plus.de, zuoci.de, southhorizonmunich.com and presswerk.de.
chelmers.com shares at least some mail servers with other domains, for instance net-fm.de.
Host names with two IP numbers:
The host mx03.secure-mailgate.com points to 46.243.88.174 and 46.243.88.176.
The host mx04.secure-mailgate.com points to 46.243.88.175 and 46.243.88.177.