roundsync.com - dns.ninja
roundsync.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:50c0:8000::153🇺🇸 Fastly2606:50c0:8000::/48 88 Colin P Kelly Jr Street San Francisco CA 94107 United States | ||||||
| A | 185.199.108.153🇺🇸 Fastly185.199.108.0/24 GitHub - 185.199.108.0/24 | ||||||
| NS | docks10.rzone.de ⭐ | ||||||
| A | 2001:8d8:fe:53:5747:2a74:d:10🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific | ||||||
| PTR | docks10.rzone.de | ||||||
| A | 217.160.80.137🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific | ||||||
| PTR | docks10.rzone.de | ||||||
| NS | shades17.rzone.de | ||||||
| A | 2607:f1c0:fe:53:185:132:34:144🇺🇸 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 | shades17.rzone.de | ||||||
| A | 185.132.34.144🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS) | ||||||
| MX | smtpin.rzone.de ⭐ | ||||||
| A | 2a01:238:20a:202:50f0::1097🇩🇪 STRATO2a01:238:20a::/48 Strato AG | ||||||
| A | 81.169.145.97🇩🇪 STRATO81.169.144.0/22 AG | ||||||
| PTR | smtpin.rzone.de | ||||||
| SOA | docks10.rzone.dehostmaster@strato-rz.de 2023-08-19 #17 | ||||||
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=1782728655 | ||||||
Same first word
roundsync.com |
DNS History
5 records (5 active, 0 former)
●A185.199.108.1532026-03-19 → 2026-06-29 · 2 obs
● 2026-06-29 10:40:32
●A2606:50c0:8000::1532026-03-19 → 2026-06-29 · 2 obs
● 2026-06-29 10:40:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, l.gtld-servers.net, f.gtld-servers.net, b.gtld-servers.net... | - |
| roundsync.com | docks10.rzone.de, shades17.rzone.de | - |
✅ Authoritative Response
Server:185.132.34.144
NS records: docks10.rzone.de, shades17.rzone.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for roundsync.com (unsigned zone)
⏱️ Timing
Total: 464ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.199.108.153 |
| AAAA | 1 | 2606:50c0:8000::153 |
| NS | 2 | docks10.rzone.de, shades17.rzone.de |
| MX | 1 | smtpin.rzone.de (pri: 5) |
| SOA | 1 | docks10.rzone.de hostmaster.strato-rz.de |
Analysis
IP Addresses
roundsync.com has two IP addresses: 185.199.108.153 and 2606:50c0:8000::153
Two other host names, along with remoku-web.github.io, arklib.org and mukulkms.github.io, also share IP numbers with roundsync.com.
Name Servers
DNS delegation for roundsync.com points to two name servers: docks10.rzone.de and shades17.rzone.de.
roundsync.com shares its NS records with other domains, for example bernd-walter-bau.de, grossgart.de, andrerimkus.de and two others.
There is at least partial name server overlap between roundsync.com and other domains — diabla.de, apit.world, post-mining.de and two more among them.
These name servers regularly appear alongside shades16.rzone.de, docks19.rzone.de, docks16.rzone.de and 7 other name servers in NS record sets.
docks10.rzone.de directs to 217.160.80.137 and 2001:8d8:fe:53:5747:2a74:d:10. shades17.rzone.de directs to 185.132.34.144 and 2607:f1c0:fe:53:185:132:34:144. Each host name carries two IP addresses.
Mail Servers
The sole mail server for roundsync.com is smtpin.rzone.de.
Among the domains sharing a mail server setup with roundsync.com are bayreuth-taekwon-do.de, valkparts.de, guensberg.net and two others.
smtpin.rzone.de carries two IP numbers: 81.169.145.97 and 2a01:238:20a:202:50f0::1097.