`ulrichsweb.com`

DNSSEC	⚠️ Not signed
A	216.147.213.21^{🇺🇸 TELX-AS14148216.147.213.0/24 Kent, WA}
		PTR	`ulrichswebpq.serialsolutions.biz`
NS	`ns1.markmonitor.com` ⭐
		A	2620:10a:80a8::1^{🇨🇦 CIRA-22620:10a:80a8::/48 markmonitor v6 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
		A	149.112.160.1^{🇨🇦 CIRA-2149.112.160.0/24 markmonitor v4 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
NS	`ns2.markmonitor.com`
		A	2001:67c:10b8::1^{🇨🇭 RCODEZERO-ANYCAST-SEC22001:67c:10b8::/48 IPCOM-anycast-net}
			PTR	`ns2.markmonitor.com`
		A	176.97.158.1^{🇦🇹 RCODEZERO-ANYCAST-SEC2176.97.158.0/24 NICat-anycast-net}
			PTR	`ns2.markmonitor.com`
NS	`ns3.markmonitor.com`
		A	2620:10a:80a9::1^{🇨🇦 CIRA-32620:10a:80a9::/48 markmonitor v6 cloud2 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
		A	149.112.161.1^{🇨🇦 CIRA-3149.112.161.0/24 markmonitor v4 cloud2 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
NS	`ns4.markmonitor.com`
		A	2001:67c:1bc::1^{🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD2001:67c:1bc::/48 IPCom-NET Anycast}
			PTR	`ns1.markmonitor.com`
		A	192.174.68.1^{🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD192.174.68.0/24 NICat-anycast-net}
			PTR	`ns1.markmonitor.com`
NS	`ns5.markmonitor.com`
		A	2620:10a:80a8::2^{🇨🇦 CIRA-22620:10a:80a8::/48 markmonitor v6 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
		A	149.112.160.2^{🇨🇦 CIRA-2149.112.160.0/24 markmonitor v4 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
NS	`ns6.markmonitor.com`
		A	2001:67c:10b8::3^{🇨🇭 RCODEZERO-ANYCAST-SEC22001:67c:10b8::/48 IPCOM-anycast-net}
			PTR	`ns6.markmonitor.com`
		A	176.97.158.3^{🇦🇹 RCODEZERO-ANYCAST-SEC2176.97.158.0/24 NICat-anycast-net}
			PTR	`ns6.markmonitor.com`
NS	`ns7.markmonitor.com`
		A	2620:10a:80a9::2^{🇨🇦 CIRA-32620:10a:80a9::/48 markmonitor v6 cloud2 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
		A	149.112.161.2^{🇨🇦 CIRA-3149.112.161.0/24 markmonitor v4 cloud2 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
TXT	`qd6cl0xjhdg5pj8sm8vcttqvtyky9fbc`
SOA	`ns1.markmonitor.com`hostmaster@markmonitor.com 2022-04-21 #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=1776053067

rank #310327 globally
rank #132992 in the tld
WOT: UNKNOWN (80/100)

Subdomains

www.ulrichsweb.com

Same first word

ulrichsweb.com

ulrichsweb.com.cn

DNS History

13 records (8 active, 5 former)

●NSns1.markmonitor.com2026-03-20 → 2026-04-13 · 3 obs

○ 2017-02-04 23:28:22
● 2026-03-20 14:39:16
● 2026-04-13 04:26:32

○NSns1.proquest.com2015-06-13 → 2017-02-04 · 4 obs

● 2015-06-13 13:16:38
● 2017-02-04 23:28:22
○ 2026-03-20 14:39:16
○ 2026-04-13 04:26:32

●NSns2.markmonitor.com2026-03-20 → 2026-04-13 · 3 obs

○ 2017-02-04 23:28:22
● 2026-03-20 14:39:16
● 2026-04-13 04:26:32

○NSns2.proquest.com2015-06-13 → 2017-02-04 · 4 obs

● 2015-06-13 13:16:38
● 2017-02-04 23:28:22
○ 2026-03-20 14:39:16
○ 2026-04-13 04:26:32

●NSns3.markmonitor.com2026-03-20 → 2026-04-13 · 3 obs

○ 2017-02-04 23:28:22
● 2026-03-20 14:39:16
● 2026-04-13 04:26:32

○NSns3.proquest.com2015-06-13 → 2017-02-04 · 4 obs

● 2015-06-13 13:16:38
● 2017-02-04 23:28:22
○ 2026-03-20 14:39:16
○ 2026-04-13 04:26:32

●NSns4.markmonitor.com2026-03-20 → 2026-04-13 · 3 obs

○ 2017-02-04 23:28:22
● 2026-03-20 14:39:16
● 2026-04-13 04:26:32

○NSns4.proquest.com2015-06-13 → 2017-02-04 · 4 obs

● 2015-06-13 13:16:38
● 2017-02-04 23:28:22
○ 2026-03-20 14:39:16
○ 2026-04-13 04:26:32

●NSns5.markmonitor.com2026-03-20 → 2026-04-13 · 3 obs

○ 2017-02-04 23:28:22
● 2026-03-20 14:39:16
● 2026-04-13 04:26:32

●NSns6.markmonitor.com2026-03-20 → 2026-04-13 · 3 obs

○ 2017-02-04 23:28:22
● 2026-03-20 14:39:16
● 2026-04-13 04:26:32

●NSns7.markmonitor.com2026-03-20 → 2026-04-13 · 3 obs

○ 2017-02-04 23:28:22
● 2026-03-20 14:39:16
● 2026-04-13 04:26:32

○A207.170.201.1182015-06-13 → 2017-02-04 · 4 obs

● 2015-06-13 13:16:38
● 2017-02-04 23:28:22
○ 2026-03-20 14:39:16
○ 2026-04-13 04:26:32

●A216.147.213.212026-03-20 → 2026-04-13 · 3 obs

○ 2017-02-04 23:28:22
● 2026-03-20 14:39:16
● 2026-04-13 04:26:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
ulrichsweb.com	ns1.markmonitor.com, ns3.markmonitor.com, ns4.markmonitor.com, ns5.markmonitor.com...	14 records

✅ Authoritative Response

Server:192.174.68.1

NS records: ns1.markmonitor.com, ns3.markmonitor.com, ns4.markmonitor.com, ns5.markmonitor.com, ns6.markmonitor.com, ns7.markmonitor.com, ns2.markmonitor.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ulrichsweb.com (unsigned zone)

⏱️ Timing

Total: 288ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`216.147.213.21`
NS	7	`ns1.markmonitor.com, ns2.markmonitor.com...`
TXT	1	`qd6cl0xjhdg5pj8sm8vcttqvtyky9fbc`
SOA	1	`ns1.markmonitor.com hostmaster.markmonit`