`knowlling.com`

DNSSEC	⚠️ Not signed
A	2607:f1c0:100f:f000::2b8^{🇺🇸 IONOS-AS2607:f1c0::/32 1&1 Internet Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
		PTR	`2607-f1c0-100f-f000-0000-0000-0000-02b8.elastic-ssl.ui-r.com`
A	74.208.236.73^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
NS	`ns1109.ui-dns.biz` ⭐
		A	2001:8d8:fe:53:0:d9a0:516d:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1109.ui-dns.biz`
		A	217.160.81.109^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1109.ui-dns.biz`
NS	`ns1062.ui-dns.de`
		A	2607:f1c0:fe:53:185:132:32:62^{🇺🇸 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	`ns1062.ui-dns.de`
		A	217.160.80.62^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1062.ui-dns.de`
NS	`ns1074.ui-dns.com`
		A	2001:8d8:fe:53:0:d9a0:524a:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1074.ui-dns.com`
		A	217.160.82.74^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1074.ui-dns.com`
NS	`ns1120.ui-dns.org`
		A	2001:8d8:fe:53:0:d9a0:5378:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1120.ui-dns.org`
		A	217.160.83.120^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1120.ui-dns.org`
MX	`mx00.ionos.com` ⭐
		A	74.208.5.3^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
			PTR	`mx00.perfora.net`
MX	`mx01.ionos.com` ⭐
		A	74.208.5.21^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
			PTR	`mx01.perfora.net`
TXT	`v=spf1 include:_spf-us.ionos.com ~all`
SOA	`ns1109.ui-dns.biz`hostmaster@1und1.com 2017-06-01 #8

`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=1775009887

Same first word

knowlling.com

DNS History

8 records (8 active, 0 former)

●NSns1062.ui-dns.de2026-02-24 → 2026-04-01 · 2 obs

● 2026-02-24 22:48:36
● 2026-04-01 02:35:22

●NSns1074.ui-dns.com2026-02-24 → 2026-04-01 · 2 obs

● 2026-02-24 22:48:36
● 2026-04-01 02:35:22

●NSns1109.ui-dns.biz2026-02-24 → 2026-04-01 · 2 obs

● 2026-02-24 22:48:36
● 2026-04-01 02:35:22

●NSns1120.ui-dns.org2026-02-24 → 2026-04-01 · 2 obs

● 2026-02-24 22:48:36
● 2026-04-01 02:35:22

●MXmx00.ionos.com2026-02-24 → 2026-04-01 · 2 obs

● 2026-02-24 22:48:36
● 2026-04-01 02:35:22

●MXmx01.ionos.com2026-02-24 → 2026-04-01 · 2 obs

● 2026-02-24 22:48:36
● 2026-04-01 02:35:22

●A2607:f1c0:100f:f000::2b82026-02-24 → 2026-04-01 · 2 obs

● 2026-02-24 22:48:36
● 2026-04-01 02:35:22

●A74.208.236.732026-02-24 → 2026-04-01 · 2 obs

● 2026-02-24 22:48:36
● 2026-04-01 02:35:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
knowlling.com	ns1109.ui-dns.biz, ns1062.ui-dns.de, ns1120.ui-dns.org, ns1074.ui-dns.com	2 records

✅ Authoritative Response

Server:217.160.82.74

NS records: ns1109.ui-dns.biz, ns1062.ui-dns.de, ns1120.ui-dns.org, ns1074.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowlling.com (unsigned zone)

⏱️ Timing

Total: 577ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`74.208.236.73`
AAAA	1	`2607:f1c0:100f:f000::2b8`
NS	4	`ns1120.ui-dns.org, ns1109.ui-dns.biz...`
MX	2	`mx00.ionos.com (pri: 10), mx01.ionos.com (pri: 10)`
TXT	1	`v=spf1 include:_spf-us.ionos.com ~all`
SOA	1	`ns1109.ui-dns.biz hostmaster.1und1.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1074.ui-dns.com, ns1074.ui-dns.com)

Analysis

IP Addresses

knowlling.com points to two IP numbers: 2607:f1c0:100f:f000::2b8 and 74.208.236.73.

Other host names such as s495542459.onlinehome.us, mphny.nyc, asseffdental.com, douglasaustin.com and meca.ca share IP numbers with knowlling.com.

Name Servers

knowlling.com is delegated to four name servers: ns1109.ui-dns.biz, ns1074.ui-dns.com, ns1062.ui-dns.de and ns1120.ui-dns.org.

At least part of the name servers for knowlling.com are shared with other domains, for instance cerrajerosprofesionales.es, waldpfad.de, fpcelc.org, assudire.com and port-it.de.