by-do.com - robtex.com
by-do.com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 4.184.164.199🇩🇪 Microsoft4.176.0.0/12 MICROSOFT | ||||||
| NS | dns1.swizzonic.ch ⭐ | ||||||
| A | 2a01:8100:2911::2:184:5🇮🇹 REGISTER-AS2a01:8100:2000::/36 | ||||||
| A | 81.88.61.5🇮🇹 REGISTER-AS81.88.48.0/20 Register.IT S.p.A. prefix | ||||||
| PTR | host-81-88-61-5.dedicatedservers.it | ||||||
| NS | dns2.swizzonic.ch | ||||||
| A | 2a01:8100:2901::1:183:202🇮🇹 REGISTER-AS2a01:8100:2000::/36 | ||||||
| A | 81.88.58.219🇮🇹 REGISTER-AS81.88.58.0/24 Register.IT S.p.A. prefix | ||||||
| MX | mx.swizzonic.email ⭐ | ||||||
| A | 81.88.63.83🇮🇹 REGISTER-AS81.88.63.0/24 Register.IT S.p.A. prefix | ||||||
| PTR | mx.swizzonic.email | ||||||
| TXT | v=spf1 include:spf.webapps.net ~all | ||||||
| SOA | dns1.swizzonic.chhostmaster@swizzonic.ch 2026-04-20 #5 | ||||||
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=1777102971 | ||||||
Same first word
by-do.com |
Similar names
DNS History
14 records (4 active, 10 former)
●NSdns1.swizzonic.ch2026-02-16 → 2026-04-25 · 3 obs
● 2026-02-16 17:11:50
● 2026-04-25 07:57:00
●NSdns2.swizzonic.ch2026-02-16 → 2026-04-25 · 3 obs
● 2026-02-16 17:11:50
● 2026-04-25 07:57:00
○NSns.cp.hostnet.nl2016-03-02 → 2016-04-09 · 4 obs
● 2016-04-09 19:31:22
○ 2016-07-18 13:26:26
○ 2026-04-25 07:57:00
○NSns1.cp.hostnet.nl2016-03-02 → 2016-04-09 · 4 obs
● 2016-04-09 19:31:22
○ 2016-07-18 13:26:26
○ 2026-04-25 07:57:00
○NSns1.hostnet.nl2016-07-18 → 2017-01-16 · 5 obs
● 2016-07-18 13:26:26
● 2017-01-16 23:08:00
○ 2026-02-16 17:11:50
○ 2026-04-25 07:57:00
○NSns2.hostnetbv.com2016-07-18 → 2017-01-16 · 5 obs
● 2016-07-18 13:26:26
● 2017-01-16 23:08:00
○ 2026-02-16 17:11:50
○ 2026-04-25 07:57:00
○NSns3.cp.hostnet.nl2016-03-02 → 2016-04-09 · 4 obs
● 2016-04-09 19:31:22
○ 2016-07-18 13:26:26
○ 2026-04-25 07:57:00
○NSns3.hostnetbv.nl2016-07-18 → 2017-01-16 · 5 obs
● 2016-07-18 13:26:26
● 2017-01-16 23:08:00
○ 2026-02-16 17:11:50
○ 2026-04-25 07:57:00
○MXmail02.hostnet.nl2016-07-18 → 2017-01-16 · 5 obs
● 2016-07-18 13:26:26
● 2017-01-16 23:08:00
○ 2026-02-16 17:11:50
○ 2026-04-25 07:57:00
○MXmailfilter.hostnet.nl2016-03-02 → 2017-01-16 · 4 obs
● 2017-01-16 23:08:00
○ 2026-02-16 17:11:50
○ 2026-04-25 07:57:00
●MXmx.swizzonic.email2026-02-16 → 2026-04-25 · 3 obs
● 2026-02-16 17:11:50
● 2026-04-25 07:57:00
○A37.252.120.492016-04-09 → 2017-01-16 · 5 obs
● 2016-04-09 19:31:22
● 2017-01-16 23:08:00
○ 2026-02-16 17:11:50
○ 2026-04-25 07:57:00
●A4.184.164.1992026-02-16 → 2026-04-25 · 3 obs
● 2026-02-16 17:11:50
● 2026-04-25 07:57:00
○A91.184.0.1002016-03-02 → 2017-01-16 · 6 obs
○ 2016-04-09 19:31:22
● 2016-07-18 13:26:26
● 2017-01-16 23:08:00
○ 2026-02-16 17:11:50
○ 2026-04-25 07:57:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, m.gtld-servers.net, b.gtld-servers.net, e.gtld-servers.net... | - |
| by-do.com | dns1.swizzonic.ch, dns2.swizzonic.ch | - |
✅ Authoritative Response
Server:81.88.61.5
NS records: dns1.swizzonic.ch, dns2.swizzonic.ch
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 855ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 4.184.164.199 |
| NS | 2 | dns1.swizzonic.ch, dns2.swizzonic.ch |
| MX | 1 | mx.swizzonic.email (pri: 10) |
| TXT | 1 | v=spf1 include:spf.webapps.net ~all |
| SOA | 1 | dns1.swizzonic.ch hostmaster.swizzonic.c |
Analysis
IP Addresses
by-do.com resolves to one IP number: 4.184.164.199.
Name Servers
by-do.com's delegation uses two name servers: dns1.swizzonic.ch and dns2.swizzonic.ch.
by-do.com uses the same name server setup as other domains, such as swissauction.ch, escom.ch, strom-bike.ch, activeradio.ch and fpa.ch.
Host names with two IPs:
dns1.swizzonic.ch points to 2a01:8100:2911::2:184:5 and 81.88.61.5
dns2.swizzonic.ch points to 2a01:8100:2901::1:183:202 and 81.88.58.219
Mail Servers
A single mail server handles by-do.com, mx.swizzonic.email.
by-do.com shares the same mail server setup as other domains, for instance mascio.ch, soml.ch, five-o-clock.ch, daudi.ch and anzer.ch.
by-do.com shares some mail servers with other domains, at least in part; for example vivats.ch and wedmer.ch.
Host name mx.swizzonic.email resolves to a single IP: 81.88.63.83.