sylow.dk

Records from scan: 2026-10-12 22:22:53 · 1559ms total · last checked 2026-10-20 10:44 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sylow.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 29 July 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.47.247.18 is hosted by One.com A/S (AS51468). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 183ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 160ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.47.247.18	600s	one.com.webforward.g1i.one	AS51468	One.com A/S	195.47.247.0/24	—	—

📧 MX Records#

5 records 163ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	aspmx.l.google.com	142.251.127.26 2a00:1450:4001:c21::1b	lcfrai-in-f26.1e100.net lcfrai-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	43200s	alt1.aspmx.l.google.com	142.250.147.26 2a00:1450:4025:c01::1b	rd-in-f26.1e100.net rd-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	43200s	alt2.aspmx.l.google.com	172.253.152.27 2a00:1450:4010:c22::1a	yulpptr-in-f27.1e100.net yulpptr-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx2.googlemail.com	142.250.147.27 2a00:1450:4025:c01::1a	rd-in-f27.1e100.net rd-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx3.googlemail.com	172.253.152.27 2a00:1450:4010:c22::1a	yulpptr-in-f27.1e100.net yulpptr-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	195.47.247.18
🔶 Autoconfig	195.47.247.18

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 429ms

TXT Record
google-site-verification=e7nCyDhbN3O6EJaCnv2H7hZcjj1LKC31jAgGPGYAWR8

✉️ 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#

checked 2026-10-12 22:22:53

www CNAME	sylow.dk (all on sylow.dk) → 195.47.247.18 (AS51468)
www vs bare domain	Same network sylow.dk: 195.47.247.18 (AS51468) www.sylow.dk: 195.47.247.18 (AS51468)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

342ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

74ms

Field	Value
Serial	2026101101
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-15 12:31:57

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2002-07-29
Expires	2027-09-30 (344d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

183ms

160ms

163ms

AAAA

185ms

TXT

429ms

CAA

154ms

HTTPS

164ms

TLSA

192ms

SOA

74ms

MTA-STS

260ms

DNSSEC

342ms

SRV

209ms

Total

1559ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 22:22:53 shown	1559ms	2 NS 1 A 5 MX	🔒 Secure
2026-10-07 17:14:06	475ms	2 NS 1 A 5 MX	🔒 Secure
2026-10-02 16:16:26	1307ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-29 15:55:23	534ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-27 13:17:16	759ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-13 02:41:21	3891ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-06 03:42:35	719ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-02 03:51:07	831ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-12 22:16:53	4524ms	2 NS 1 A 5 MX	🔒 Secure
2026-07-18 09:13:55	1189ms	2 NS 1 A 5 MX	🔒 Secure
2026-07-13 22:53:45	1102ms	2 NS 1 A 5 MX	🔒 Secure
2026-07-08 22:19:39	1144ms	2 NS 1 A 5 MX	🔒 Secure
2026-07-03 01:16:31	9722ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-17 22:44:55	674ms	2 NS 1 A 5 MX	🔒 Secure