dc311rn.com - robtex.com

dc311rn.com

DNSSEC⚠️ Not signed
A156.254.170.143🇭🇰 HKIDC-AS-AP156.254.128.0/18 ABC
NSa2.share-dns.com ⭐ ⚠️ Not in parent delegation
A172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRip-172-64-53-25.defastlink.net
NSa.share-dns.com ⚠️ Not in zone NS records
A172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRip-172-64-53-25.defastlink.net
NSb.share-dns.net ⚠️ Not in zone NS records
A172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRip-172-64-52-239.defastlink.net
NSb2.share-dns.net ⚠️ Not in parent delegation
A172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRip-172-64-52-239.defastlink.net
SOAa.share-dns.commaster@share-dns.com serial=1750887158

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1771291435

Subdomains

api.dc311rn.com

Same first word

dc311rn.com

DNS History

18 records (5 active, 13 former)

20192020202120222023202420252026NSa.share-dns.coma2.share-dns.comb.share-dns.netb2.share-dns.netns-1300.awsdns-34.orgns-194.awsdns-24.comns-2036.awsdns-62.co.ukns-587.awsdns-09.netA156.254.170.14352.216.128.24252.216.130.24252.216.133.7452.216.161.11452.216.228.13052.216.82.15452.216.84.6654.231.120.1754.231.73.17
●NSa.share-dns.com2026-02-28 → 2026-03-01 · 3 obs
○ 2018-05-13 07:01:34
● 2026-02-28 19:32:28
● 2026-03-01 16:57:46
●NSa2.share-dns.com2026-02-28 → 2026-03-01 · 3 obs
○ 2018-05-13 07:01:34
● 2026-02-28 19:32:28
● 2026-03-01 16:57:46
●NSb.share-dns.net2026-02-28 → 2026-03-01 · 3 obs
○ 2018-05-13 07:01:34
● 2026-02-28 19:32:28
● 2026-03-01 16:57:46
●NSb2.share-dns.net2026-02-28 → 2026-03-01 · 3 obs
○ 2018-05-13 07:01:34
● 2026-02-28 19:32:28
● 2026-03-01 16:57:46
○NSns-1300.awsdns-34.org2018-05-13 → 2018-05-13 · 3 obs
● 2018-05-13 07:01:34
○ 2026-02-28 19:32:28
○ 2026-03-01 16:57:46
○NSns-194.awsdns-24.com2018-05-13 → 2018-05-13 · 3 obs
● 2018-05-13 07:01:34
○ 2026-02-28 19:32:28
○ 2026-03-01 16:57:46
○NSns-2036.awsdns-62.co.uk2018-05-13 → 2018-05-13 · 3 obs
● 2018-05-13 07:01:34
○ 2026-02-28 19:32:28
○ 2026-03-01 16:57:46
○NSns-587.awsdns-09.net2018-05-13 → 2018-05-13 · 3 obs
● 2018-05-13 07:01:34
○ 2026-02-28 19:32:28
○ 2026-03-01 16:57:46
●A156.254.170.1432026-02-28 → 2026-03-01 · 3 obs
○ 2018-05-13 07:01:34
● 2026-02-28 19:32:28
● 2026-03-01 16:57:46
○A52.216.128.2422018-05-13 → 2018-05-13 · 3 obs
● 2018-05-13 07:01:34
○ 2026-02-28 19:32:28
○ 2026-03-01 16:57:46
○A52.216.130.2422018-05-13 → 2018-05-13 · 3 obs
● 2018-05-13 07:01:34
○ 2026-02-28 19:32:28
○ 2026-03-01 16:57:46
○A52.216.133.742018-05-13 → 2018-05-13 · 3 obs
● 2018-05-13 07:01:34
○ 2026-02-28 19:32:28
○ 2026-03-01 16:57:46
○A52.216.161.1142018-05-13 → 2018-05-13 · 3 obs
● 2018-05-13 07:01:34
○ 2026-02-28 19:32:28
○ 2026-03-01 16:57:46
○A52.216.228.1302018-05-13 → 2018-05-13 · 3 obs
● 2018-05-13 07:01:34
○ 2026-02-28 19:32:28
○ 2026-03-01 16:57:46
○A52.216.82.1542018-05-13 → 2018-05-13 · 3 obs
● 2018-05-13 07:01:34
○ 2026-02-28 19:32:28
○ 2026-03-01 16:57:46
○A52.216.84.662018-05-13 → 2018-05-13 · 3 obs
● 2018-05-13 07:01:34
○ 2026-02-28 19:32:28
○ 2026-03-01 16:57:46
○A54.231.120.172018-05-13 → 2018-05-13 · 3 obs
● 2018-05-13 07:01:34
○ 2026-02-28 19:32:28
○ 2026-03-01 16:57:46
○A54.231.73.172018-05-13 → 2018-05-13 · 3 obs
● 2018-05-13 07:01:34
○ 2026-02-28 19:32:28
○ 2026-03-01 16:57:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
dc311rn.comb2.share-dns.net, a2.share-dns.com1 record

✅ Authoritative Response

Server: 172.64.53.25

NS records: b2.share-dns.net, a2.share-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dc311rn.com (unsigned zone)

⏱️ Timing

Total: 249ms | Queries: -

📄 Records

TypeCountSample Data
A1156.254.170.143
NS2a.share-dns.com, b.share-dns.net
SOA1a.share-dns.com master.share-dns.com

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (a2.share-dns.com)

Analysis

Hierarchy

dc311rn.com is the parent of api.dc311rn.com.

IP Addresses

dc311rn.com points to a single IP number: 156.254.170.143.

Other host names, for instance api.dc311rn.com, share IP numbers with dc311rn.com.

Name Servers

dc311rn.com is delegated to four name servers: a2.share-dns.com, a.share-dns.com, b2.share-dns.net and b.share-dns.net.

dc311rn.com at least partially shares name servers with other domains, for instance shidianhao.com, itjobsinvancouver.com, dhabab.com, asia-sy.com and b630685831f1fccc.com.

These name servers are often used together with the name servers a4.share-dns.com, b4.share-dns.net, a7.share-dns.com, b7.share-dns.net, a11.share-dns.com, b11.share-dns.net, a10.share-dns.com, b10.share-dns.net, a8.share-dns.com and b8.share-dns.net.

Host names with one IP:

a2.share-dns.com points to 172.64.53.25.

a.share-dns.com points to 172.64.53.25.

b2.share-dns.net points to 172.64.52.239.

b.share-dns.net points to 172.64.52.239.

Hosts pointing to 172.64.53.25: a2.share-dns.com, a.share-dns.com.

Hosts pointing to 172.64.52.239: b2.share-dns.net, b.share-dns.net.