holcim.dk

📜 Historical scan 2026-06-17 13:07:23 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

holcim.dk is a .dk domain served by 3 nameservers (ns01ch.holcim.com, ns01us.holcim.com, ns02ch.holcim.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 18.203.19.122 is hosted by Amazon.com, Inc. (AS16509) in Ireland. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 113ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01ch.holcim.com	205.251.195.19 2600:9000:5303:1300::1	ns-787.awsdns-34.net ns-787.awsdns-34.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns01us.holcim.com	205.251.193.161 2600:9000:5301:a100::1	ns-417.awsdns-52.com ns-417.awsdns-52.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns02ch.holcim.com	205.251.197.107 2600:9000:5305:6b00::1	ns-1387.awsdns-45.org ns-1387.awsdns-45.org	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

🌍 A Records#

3 records 112ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
18.203.19.122	—	ec2-18-203-19-122.eu-west-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	18.200.0.0/14	🇮🇪 Ireland	Dublin
52.212.174.246	—	ec2-52-212-174-246.eu-west-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	52.208.0.0/13	🇮🇪 Ireland	Dublin
54.194.180.226	—	ec2-54-194-180-226.eu-west-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	54.192.0.0/14	🇮🇪 Ireland	Dublin

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-09 02:54:55

www CNAME	internet-webfactory-prd2-073a9884faab1ee5.elb.eu-west-1.amazonaws.com (all on amazonaws.com) → 18.203.19.122 52.212.174.246 54.194.180.226 (AS16509)
www vs bare domain	Same network holcim.dk: 18.203.19.122 52.212.174.246 54.194.180.226 (AS16509) www.holcim.dk: 18.203.19.122 52.212.174.246 54.194.180.226 (AS16509)
Wildcard	No

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

165ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

86ms

Field	Value
Serial	2019021312
Primary NS (MNAME)	ns01ch.holcim.com
Responsible (RNAME)	dns-hgrs@holcim.com
Refresh	3600s
Retry	900s
Expire	2419200s
Minimum (neg-cache TTL)	600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

113ms

112ms

152ms

AAAA

128ms

TXT

279ms

CAA

92ms

HTTPS

58ms

TLSA

114ms

SOA

86ms

MTA-STS

135ms

DNSSEC

165ms

SRV

0ms

Total

752ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 20:57:37	846ms	3 NS 3 A 0 MX	🔓 Insecure
2026-06-17 13:07:23 shown	752ms	3 NS 3 A 0 MX	🔓 Insecure