study-group.info - dns.ninja
study-group.info
info
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.info.afilias-nst.info ⭐ | ||||||
| NS | a2.info.afilias-nst.info | ||||||
| NS | b0.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| NS | b2.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| NS | c0.info.afilias-nst.info | ||||||
| NS | d0.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| SOA | a0.info.afilias-nst.infohostmaster@donuts.email serial=1781914139 | ||||||
Previously MX for
study-group.info |
Same first word
DNS History
16 records (9 active, 7 former)
●NSns-cloud-e1.googledomains.com2026-02-21 → 2026-06-20 · 3 obs
● 2026-02-21 18:14:22
● 2026-06-20 00:43:30
●NSns-cloud-e2.googledomains.com2026-02-21 → 2026-06-20 · 3 obs
● 2026-02-21 18:14:22
● 2026-06-20 00:43:30
●NSns-cloud-e3.googledomains.com2026-02-21 → 2026-06-20 · 3 obs
● 2026-02-21 18:14:22
● 2026-06-20 00:43:30
●NSns-cloud-e4.googledomains.com2026-02-21 → 2026-06-20 · 3 obs
● 2026-02-21 18:14:22
● 2026-06-20 00:43:30
○NSns1.xserver.jp2020-02-06 → 2020-02-06 · 3 obs
○ 2026-02-21 18:14:22
○ 2026-06-20 00:43:30
○NSns2.xserver.jp2020-02-06 → 2020-02-06 · 3 obs
○ 2026-02-21 18:14:22
○ 2026-06-20 00:43:30
○NSns3.xserver.jp2020-02-06 → 2020-02-06 · 3 obs
○ 2026-02-21 18:14:22
○ 2026-06-20 00:43:30
○NSns4.xserver.jp2020-02-06 → 2020-02-06 · 3 obs
○ 2026-02-21 18:14:22
○ 2026-06-20 00:43:30
○NSns5.xserver.jp2020-02-06 → 2020-02-06 · 3 obs
○ 2026-02-21 18:14:22
○ 2026-06-20 00:43:30
●MXalt1.aspmx.l.google.com2026-02-21 → 2026-06-20 · 3 obs
● 2026-02-21 18:14:22
● 2026-06-20 00:43:30
●MXalt2.aspmx.l.google.com2026-02-21 → 2026-06-20 · 3 obs
● 2026-02-21 18:14:22
● 2026-06-20 00:43:30
●MXalt3.aspmx.l.google.com2026-02-21 → 2026-06-20 · 3 obs
● 2026-02-21 18:14:22
● 2026-06-20 00:43:30
●MXalt4.aspmx.l.google.com2026-02-21 → 2026-06-20 · 3 obs
● 2026-02-21 18:14:22
● 2026-06-20 00:43:30
●MXaspmx.l.google.com2026-02-21 → 2026-06-20 · 3 obs
● 2026-02-21 18:14:22
● 2026-06-20 00:43:30
○MXstudy-group.info2020-02-06 → 2020-02-06 · 3 obs
○ 2026-02-21 18:14:22
○ 2026-06-20 00:43:30
○A183.181.98.72020-02-06 → 2020-02-06 · 3 obs
○ 2026-02-21 18:14:22
○ 2026-06-20 00:43:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| info | a0.info.afilias-nst.info, a2.info.afilias-nst.info, c0.info.afilias-nst.info | - |
| study-group.info | ns-cloud-e1.googledomains.com, ns-cloud-e3.googledomains.com, ns-cloud-e2.googledomains.com, ns-cloud-e4.googledomains.com | - |
✅ Authoritative Response
Server:216.239.34.110
NS records: ns-cloud-e1.googledomains.com, ns-cloud-e3.googledomains.com, ns-cloud-e2.googledomains.com, ns-cloud-e4.googledomains.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 791ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-cloud-e3.googledomains.com, ns-cloud-e4.googledomains.com... |
| MX | 5 | alt4.aspmx.l.google.com (pri: 10), aspmx.l.google.com (pri: 1)... |
| TXT | 1 | v=spf1 include:_spf.google.com ~all |
| SOA | 1 | ns-cloud-e1.googledomains.com cloud-dns- |
Analysis
Name Servers
The NS records for study-group.info point to four name servers: ns-cloud-e1.googledomains.com, ns-cloud-e2.googledomains.com, ns-cloud-e3.googledomains.com and ns-cloud-e4.googledomains.com.
There is at least partial name server overlap between study-group.info and other domains — asa-store.com, hjewelry.net, le-glace.com and two more among them.
All four hostnames — ns-cloud-e1.googledomains.com, ns-cloud-e2.googledomains.com, ns-cloud-e3.googledomains.com and ns-cloud-e4.googledomains.com — resolve to two IP numbers apiece: ns-cloud-e1.googledomains.com to 216.239.32.110 and 2001:4860:4802:32::6e; ns-cloud-e2.googledomains.com to 216.239.34.110 and 2001:4860:4802:34::6e; ns-cloud-e3.googledomains.com to 216.239.36.110 and 2001:4860:4802:36::6e; ns-cloud-e4.googledomains.com to 216.239.38.110 and 2001:4860:4802:38::6e.
Mail Servers
Five mail servers handle study-group.info: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
There is at least a partial MX overlap between study-group.info and other domains, including ns500698.ns500698.ns500758.ns500698.ns500698.ns500698.ns500736.ns500735.ns500735.ns500576.ns500708.ns500576.ns500576.ns500652.ns500619.ns500576.trackreceptor.com, ns500759.ns500698.ns500758.ns500759.ns500759.ns500758.ns500736.ns500735.ns500735.ns500735.ns500576.ns500708.ns500698.ns500619.ns500576.trackreceptor.com, ns500698.ns500758.ns500758.ns500758.ns500735.ns500698.ns500735.ns500735.ns500698.ns500576.ns500698.ns500708.ns500619.ns500652.trackreceptor.com and two others.
alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com are mail servers that frequently appear together with these mail servers.
Host names that have two IP addresses:
aspmx.l.google.com resolves to 64.233.180.27 and 2607:f8b0:4004:c09::1b.
alt1.aspmx.l.google.com resolves to 108.177.123.27 and 2800:3f0:4003:c0f::1b.
alt2.aspmx.l.google.com resolves to 172.253.116.27 and 2a00:1450:400b:c02::1a.
alt3.aspmx.l.google.com resolves to 192.178.223.26 and 2a00:1450:4009:c0f::1b.
alt4.aspmx.l.google.com resolves to 172.253.157.26 and 2a00:1450:400c:c23::1b.