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how.io
io
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.nic.io ⭐ 🔒 | ||||||
| NS | a2.nic.io 🔒 | ||||||
| NS | b0.nic.io 🔒 | ||||||
| NS | c0.nic.io 🔒 | ||||||
| SOA | a0.nic.iohostmaster@donuts.email serial=1770984489 | ||||||
Up
www.how.io |
Same first word
Similar names
DNS History
23 records (13 active, 10 former)
○NSaustin.ns.cloudflare.com2015-08-22 → 2016-12-25 · 4 obs
● 2016-12-25 05:26:32
○ 2026-02-15 04:43:58
○ 2026-02-15 04:44:00
○NSmelissa.ns.cloudflare.com2015-08-22 → 2016-12-25 · 4 obs
● 2016-12-25 05:26:32
○ 2026-02-15 04:43:58
○ 2026-02-15 04:44:00
●NSns-1453.awsdns-53.org2026-02-15 → 2026-02-15 · 3 obs
● 2026-02-15 04:43:58
● 2026-02-15 04:44:00
●NSns-1886.awsdns-43.co.uk2026-02-15 → 2026-02-15 · 3 obs
● 2026-02-15 04:43:58
● 2026-02-15 04:44:00
●NSns-388.awsdns-48.com2026-02-15 → 2026-02-15 · 3 obs
● 2026-02-15 04:43:58
● 2026-02-15 04:44:00
●NSns-598.awsdns-10.net2026-02-15 → 2026-02-15 · 3 obs
● 2026-02-15 04:43:58
● 2026-02-15 04:44:00
●MXalt1.aspmx.l.google.com2026-02-15 → 2026-02-15 · 2 obs
● 2026-02-15 04:44:00
●MXalt2.aspmx.l.google.com2026-02-15 → 2026-02-15 · 2 obs
● 2026-02-15 04:44:00
●MXalt3.aspmx.l.google.com2026-02-15 → 2026-02-15 · 2 obs
● 2026-02-15 04:44:00
●MXalt4.aspmx.l.google.com2026-02-15 → 2026-02-15 · 2 obs
● 2026-02-15 04:44:00
●MXaspmx.l.google.com2026-02-15 → 2026-02-15 · 2 obs
● 2026-02-15 04:44:00
○A104.31.64.2072015-10-16 → 2016-12-25 · 4 obs
● 2016-12-25 05:26:32
○ 2026-02-15 04:43:58
○ 2026-02-15 04:44:00
○A104.31.65.2072015-10-16 → 2016-12-25 · 4 obs
● 2016-12-25 05:26:32
○ 2026-02-15 04:43:58
○ 2026-02-15 04:44:00
○A18.154.206.1002026-02-15 → 2026-02-15 · 2 obs
○ 2026-02-15 04:44:00
○A18.154.206.112026-02-15 → 2026-02-15 · 2 obs
○ 2026-02-15 04:44:00
○A18.154.206.642026-02-15 → 2026-02-15 · 2 obs
○ 2026-02-15 04:44:00
○A18.154.206.922026-02-15 → 2026-02-15 · 2 obs
○ 2026-02-15 04:44:00
●A18.160.41.1042026-02-15 → 2026-02-15 · 3 obs
● 2026-02-15 04:43:58
● 2026-02-15 04:44:00
●A18.160.41.142026-02-15 → 2026-02-15 · 3 obs
● 2026-02-15 04:43:58
● 2026-02-15 04:44:00
●A18.160.41.232026-02-15 → 2026-02-15 · 3 obs
● 2026-02-15 04:43:58
● 2026-02-15 04:44:00
●A18.160.41.262026-02-15 → 2026-02-15 · 3 obs
● 2026-02-15 04:43:58
● 2026-02-15 04:44:00
○A2400:cb00:2048:1::681f:40cf2016-11-23 → 2016-12-25 · 5 obs
● 2016-11-23 16:10:02
● 2016-12-25 05:26:32
○ 2026-02-15 04:43:58
○ 2026-02-15 04:44:00
○A2400:cb00:2048:1::681f:41cf2016-11-23 → 2016-12-25 · 5 obs
● 2016-11-23 16:10:02
● 2016-12-25 05:26:32
○ 2026-02-15 04:43:58
○ 2026-02-15 04:44:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| how.io | ns-388.awsdns-48.com, ns-598.awsdns-10.net, ns-1453.awsdns-53.org, ns-1886.awsdns-43.co.uk | - |
✅ Authoritative Response
Server: 205.251.193.132
NS records: ns-388.awsdns-48.com, ns-598.awsdns-10.net, ns-1453.awsdns-53.org, ns-1886.awsdns-43.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for how.io (unsigned zone)
⏱️ Timing
Total: 206ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 18.160.41.104, 18.160.41.26... |
| NS | 4 | ns-1453.awsdns-53.org, ns-1886.awsdns-43.co.uk... |
| MX | 5 | aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)... |
| TXT | 2 | google-site-verification=9z-3EnpUOGbDe9v, v=spf1 include:amazonses.com include:_sp |
| SOA | 1 | ns-388.awsdns-48.com awsdns-hostmaster.a |
AI analysis
how.io is parent of www.how.io.
how.io points to four IP numbers: 18.160.41.14, 18.160.41.23, 18.160.41.26 and 18.160.41.104.
Other host names, for instance undefined.sex.vuclip.com, *.centraletermice-b.com.htmlm.vuclip.com, news-telecoms-com.msgfocus.com, artois-equipement.com and d27n1gfy82sc2v.cloudfront.net share IP numbers with how.io.
how.io is delegated to four name servers: ns-388.awsdns-48.com, ns-598.awsdns-10.net, ns-1453.awsdns-53.org and ns-1886.awsdns-43.co.uk.
how.io at least partially shares its name servers with other domains, for instance zwiftpower.com, zsapi.net, dcmhtym8jkaqc.cloudfront.net, d2x0d67p32o9yb.cloudfront.net and parallelsuniversity.com.
These name servers are commonly used with ns-190.awsdns-23.com, ns-702.awsdns-23.net, ns-1071.awsdns-05.org, ns-1088.awsdns-08.org, ns-739.awsdns-28.net, ns-1089.awsdns-08.org, ns-1661.awsdns-15.co.uk, ns-977.awsdns-58.net, ns-1900.awsdns-45.co.uk and ns-625.awsdns-14.net.
Host names with two IPs: ns-388.awsdns-48.com points to 2600:9000:5301:8400::1 and 205.251.193.132; ns-598.awsdns-10.net points to 2600:9000:5302:5600::1 and 205.251.194.86; ns-1453.awsdns-53.org points to 2600:9000:5305:ad00::1 and 205.251.197.173; ns-1886.awsdns-43.co.uk points to 2600:9000:5307:5e00::1 and 205.251.199.94.
Five mail servers handle how.io: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
how.io shares some mail servers with other domains, including ckddesigns.net, ezstyle.tw, ns500759.ns500698.ns500698.ns500698.ns500758.ns500735.ns500698.ns500735.ns500736.ns500708.ns500576.ns500576.ns500619.ns500686.ns500619.ns500576.trackreceptor.com, ns500671.ns500731.ns500754.ns500671.ns500731.ns500742.ns500731.ns500742.ns500742.ns500742.ns500731.ns500688.ns500688.ns500705.ns500291.ns500666.ns500153.tenderladiesbz.com and ns500742.ns500731.ns500671.ns500731.ns500731.ns500671.ns500731.ns500688.ns500705.ns500688.ns500705.ns500671.ns500291.ns500671.ns500649.tenderladiesbz.com.
These mail servers are commonly used alongside the mail servers aspmx2.googlemail.com and aspmx3.googlemail.com.
Host names with two IP numbers:
aspmx.l.google.com points to 2a00:1450:4009:c0f::1a and 192.178.223.26.
alt1.aspmx.l.google.com points to 2607:f8b0:4003:c30::1b and 74.125.27.27.
alt2.aspmx.l.google.com points to 2607:f8b0:4001:c70::1a and 192.178.209.27.
alt3.aspmx.l.google.com points to 2607:f8b0:4024:c0d::1a and 192.178.152.27.
alt4.aspmx.l.google.com points to 2607:f8b0:4023:403::1a and 142.250.96.27.