`u157.com`

DNSSEC	⚠️ Not signed
A	13.248.169.48^{🇺🇸 Amazon13.248.160.0/20}
		PTR	`a904c694c05102f30.awsglobalaccelerator.com`
A	76.223.54.146^{🇺🇸 Amazon76.223.48.0/20}
NS	`ns1.afternic.com` ⭐
		A	2603:5:2126::45^{🇺🇸 GODADDY-DNS2603:5:2120::/44}
			PTR	`ns1.afternic.com`
		A	97.74.98.69^{🇺🇸 GODADDY-DNS97.74.98.0/23}
			PTR	`ns1.afternic.com`
NS	`ns2.afternic.com`
		A	2603:5:2226::45^{🇺🇸 GODADDY-DNS2603:5:2220::/44}
			PTR	`ns2.afternic.com`
		A	173.201.66.69^{🇺🇸 GODADDY-DNS173.201.66.0/23}
			PTR	`ns2.afternic.com`
TXT	`v=spf1 -all`
SOA	`ns1.afternic.com`dns@jomax.net serial=1

`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.net`nstld@verisign-grs.com serial=1784976817

Same first word

u157.com

Similar names

715u.cn

571u.cn

175u.com

517u.net

517u.cn

751u.tv

u571.net

571u.com

751u.online

5u71.com

175u.net

751u.com

u715.com

DNS History

6 records (4 active, 2 former)

○NSdns23.hichina.com2015-07-04 → 2016-12-20 · 4 obs

● 2015-07-04 01:47:42
● 2016-12-20 11:15:14
○ 2026-06-03 12:19:18
○ 2026-07-25 11:22:46

○NSdns24.hichina.com2015-07-04 → 2016-12-20 · 4 obs

● 2015-07-04 01:47:42
● 2016-12-20 11:15:14
○ 2026-06-03 12:19:18
○ 2026-07-25 11:22:46

●NSns1.afternic.com2026-06-03 → 2026-07-25 · 3 obs

○ 2016-12-20 11:15:14
● 2026-06-03 12:19:18
● 2026-07-25 11:22:46

●NSns2.afternic.com2026-06-03 → 2026-07-25 · 3 obs

○ 2016-12-20 11:15:14
● 2026-06-03 12:19:18
● 2026-07-25 11:22:46

●A13.248.169.482026-06-03 → 2026-07-25 · 2 obs

● 2026-06-03 12:19:18
● 2026-07-25 11:22:46

●A76.223.54.1462026-06-03 → 2026-07-25 · 2 obs

● 2026-06-03 12:19:18
● 2026-07-25 11:22:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, f.gtld-servers.net, i.gtld-servers.net, a.gtld-servers.net...	-
u157.com	ns1.afternic.com, ns2.afternic.com	4 records

✅ Authoritative Response

Server:173.201.66.69

NS records: ns1.afternic.com, ns2.afternic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for u157.com (unsigned zone)

⏱️ Timing

Total: 2708ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`76.223.54.146, 13.248.169.48`
NS	2	`ns1.afternic.com, ns2.afternic.com`
MX	1	`. (pri: 0)`
TXT	1	`v=spf1 -all`
SOA	1	`ns2.afternic.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.afternic.com, ns1.afternic.com, ns2.afternic.com...)

Analysis

IP Addresses

u157.com resolves to the IP addresses 13.248.169.48 and 76.223.54.146

grading.co, seikei.net, dreamevent.com and two other host names share IP numbers with u157.com.

Name Servers

u157.com uses two name servers for its delegation: ns1.afternic.com and ns2.afternic.com.

u157.com uses the same name servers as several other domains — among them yxllc.com, coffeeplace.eu, theprimo.com and two more.

u157.com partially shares its NS delegation with several other domains, including trademark.wtf, interbiometrics.com, 0lag.com and two others.

These name servers are regularly seen alongside verification-q2yfbmuxrvnsdnaogqtqft.ns101.verify.hn and verification-iryqusbri9xlks4ssi7d4w.ns101.verify.hn as name servers.

The two host names ns1.afternic.com and ns2.afternic.com each have a pair of IP addresses: ns1.afternic.com has 97.74.98.69 and 2603:5:2126::45, and ns2.afternic.com has 173.201.66.69 and 2603:5:2226::45.

u157.com - robtex.com

u157.com

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