`postalcu.us`

DNSSEC	⚠️ Not signed
A	2607:f1c0:100f:f000::200^{🇺🇸 IONOS-AS2607:f1c0::/32 1&1 Internet Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
		PTR	`2607-f1c0-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com`
A	74.208.236.59^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
NS	`ns1061.ui-dns.com` ⭐
		A	2607:f1c0:fe:53:185:132:34:61^{🇺🇸 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	`ns1061.ui-dns.com`
		A	185.132.34.61^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1061.ui-dns.com`
NS	`ns1061.ui-dns.biz`
		A	2607:f1c0:fe:53:185:132:33:61^{🇺🇸 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	`ns1061.ui-dns.biz`
		A	185.132.33.61^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1061.ui-dns.biz`
NS	`ns1061.ui-dns.de`
		A	2607:f1c0:fe:53:185:132:32:61^{🇺🇸 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	`ns1061.ui-dns.de`
		A	185.132.32.61^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1061.ui-dns.de`
NS	`ns1061.ui-dns.org`
		A	2001:8d8:fe:53:0:d9a0:533d:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1061.ui-dns.org`
		A	217.160.83.61^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1061.ui-dns.org`
MX	`mx00.ionos.com` ⭐
		A	74.208.5.3^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
			PTR	`mx00.perfora.net`
		A	74.208.114.65^{🇺🇸 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`
		A	74.208.114.66^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
			PTR	`mx01.perfora.net`
TXT	`v=spf1 include:_spf-us.ionos.com ~all`
SOA	`ns1061.ui-dns.com`hostmaster@1and1.com 2016-06-17 #7

`us`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.cctld.us` ⭐
	NS	`b.cctld.us`
	NS	`f.cctld.us`
	NS	`k.cctld.us`
	NS	`m.cctld.us`
	NS	`n.cctld.us`
	NS	`w.cctld.us`
	NS	`x.cctld.us`
	NS	`y.cctld.us`
	SOA	`a.cctld.us`admin@tldns.godaddy serial=1784439135

Same first word

postalcu.com

postalcu.org

postalcu.biz

postalcu.info

postalcu.us

Similar names

DNS History

14 records (8 active, 6 former)

●NSns1061.ui-dns.biz2026-06-09 → 2026-07-19 · 3 obs

○ 2017-03-29 17:00:34
● 2026-06-09 09:27:44
● 2026-07-19 06:22:40

●NSns1061.ui-dns.com2026-06-09 → 2026-07-19 · 3 obs

○ 2017-03-29 17:00:34
● 2026-06-09 09:27:44
● 2026-07-19 06:22:40

●NSns1061.ui-dns.de2026-06-09 → 2026-07-19 · 3 obs

○ 2017-03-29 17:00:34
● 2026-06-09 09:27:44
● 2026-07-19 06:22:40

●NSns1061.ui-dns.org2026-06-09 → 2026-07-19 · 3 obs

○ 2017-03-29 17:00:34
● 2026-06-09 09:27:44
● 2026-07-19 06:22:40

○NSns57.1and1.com2015-08-08 → 2017-03-29 · 4 obs

● 2015-08-08 21:48:06
● 2017-03-29 17:00:34
○ 2026-06-09 09:27:44
○ 2026-07-19 06:22:40

○NSns58.1and1.com2015-08-08 → 2017-03-29 · 4 obs

● 2015-08-08 21:48:06
● 2017-03-29 17:00:34
○ 2026-06-09 09:27:44
○ 2026-07-19 06:22:40

○MXmx00.1and1.com2015-08-08 → 2017-03-29 · 4 obs

● 2015-08-08 21:48:06
● 2017-03-29 17:00:34
○ 2026-06-09 09:27:44
○ 2026-07-19 06:22:40

●MXmx00.ionos.com2026-06-09 → 2026-07-19 · 3 obs

○ 2017-03-29 17:00:34
● 2026-06-09 09:27:44
● 2026-07-19 06:22:40

○MXmx01.1and1.com2015-08-08 → 2017-03-29 · 4 obs

● 2015-08-08 21:48:06
● 2017-03-29 17:00:34
○ 2026-06-09 09:27:44
○ 2026-07-19 06:22:40

●MXmx01.ionos.com2026-06-09 → 2026-07-19 · 3 obs

○ 2017-03-29 17:00:34
● 2026-06-09 09:27:44
● 2026-07-19 06:22:40

○A216.250.120.1722016-07-10 → 2017-03-29 · 5 obs

○ 2016-03-08 20:05:46
● 2016-07-10 02:07:48
● 2017-03-29 17:00:34
○ 2026-06-09 09:27:44
○ 2026-07-19 06:22:40

●A2607:f1c0:100f:f000::2002026-06-09 → 2026-07-19 · 3 obs

○ 2017-03-29 17:00:34
● 2026-06-09 09:27:44
● 2026-07-19 06:22:40

○A74.208.120.592015-08-08 → 2016-03-08 · 4 obs

● 2015-08-08 21:48:06
● 2016-03-08 20:05:46
○ 2016-07-10 02:07:48
○ 2026-07-19 06:22:40

●A74.208.236.592026-06-09 → 2026-07-19 · 3 obs

○ 2017-03-29 17:00:34
● 2026-06-09 09:27:44
● 2026-07-19 06:22:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
us	b.cctld.us, k.cctld.us, f.cctld.us, x.cctld.us...	-
postalcu.us	ns1061.ui-dns.de, ns1061.ui-dns.biz, ns1061.ui-dns.com, ns1061.ui-dns.org	-

✅ Authoritative Response

Server:185.132.32.61

NS records: ns1061.ui-dns.de, ns1061.ui-dns.biz, ns1061.ui-dns.com, ns1061.ui-dns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for postalcu.us (unsigned zone)

⏱️ Timing

Total: 3103ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`74.208.236.59`
AAAA	1	`2607:f1c0:100f:f000::200`
NS	4	`ns1061.ui-dns.biz, ns1061.ui-dns.com...`
MX	2	`mx00.ionos.com (pri: 10), mx01.ionos.com (pri: 10)`
TXT	1	`v=spf1 include:_spf-us.ionos.com ~all`
SOA	1	`ns1061.ui-dns.com hostmaster.1and1.com`

Analysis

IP Addresses

postalcu.us directs to two IP numbers, 74.208.236.59 and 2607:f1c0:100f:f000::200

Two other host names, along with beonecard.com, cronosys.com and bereacourt.com, also share IP numbers with postalcu.us.

Name Servers

The NS records for postalcu.us point to four name servers: ns1061.ui-dns.biz, ns1061.ui-dns.com, ns1061.ui-dns.de and ns1061.ui-dns.org.

postalcu.us shares at least some of its name servers with other domains, including schneiders.me, go4more.de, nullstring.de and two others.

These name servers are frequently seen alongside ns1074.ui-dns.de, ns1051.ui-dns.org, ns1124.ui-dns.biz and 6 other name servers.

The host names ns1061.ui-dns.biz, ns1061.ui-dns.com, ns1061.ui-dns.de and ns1061.ui-dns.org each resolve to two IP addresses: ns1061.ui-dns.biz resolves to 185.132.33.61 and 2607:f1c0:fe:53:185:132:33:61; ns1061.ui-dns.com resolves to 185.132.34.61 and 2607:f1c0:fe:53:185:132:34:61; ns1061.ui-dns.de resolves to 185.132.32.61 and 2607:f1c0:fe:53:185:132:32:61; ns1061.ui-dns.org resolves to 217.160.83.61 and 2001:8d8:fe:53:0:d9a0:533d:100.

Mail Servers

postalcu.us is served by two mail servers, mx00.ionos.com and mx01.ionos.com.

Among the domains sharing a mail server setup with postalcu.us are twitchip.com, geratol.net, prayengland.com and two others.

postalcu.us shares at least some of its mail servers with other domains, such as file501c3.com and charmianstephens.com.

Each of the two host names carries two IP addresses: mx00.ionos.com points to 74.208.5.3 and 74.208.114.65, and mx01.ionos.com points to 74.208.5.21 and 74.208.114.66.

postalcu.us - robtex.com

postalcu.us

us

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`postalcu.us`

`us`